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初中英语Grammar说课课件ppt
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这是一份初中英语Grammar说课课件ppt，共41页。PPT课件主要包含了before，After ，When ，While ，when ，when，while，after，since，Until 等内容，欢迎下载使用。
career against
n. 生涯，职业prep. 对抗；与……相反；违反
T learn t use the fllwing cnjunctins t intrduce time clauses: using befre, after, when and while using since, till and until using as sn as and whenever
Lk at the fllwing sentences.
1. He remained there fr abut a year befre the NBA tk ntice f him.(P51)2. After he graduated, he was frced t play in anther basketball league.(P51)3. When he finally gt the chance, he scred 20 pints in his first game.(P50)4. While (he was) attending junir high, Spud tried ut fr the schl team.(P50)
5. Smetimes we frget when we shuld stp. (P37)6. It can cheer yu up when yu are feeling sad. (P23)7. Outside, peple were running in all directins while pieces f glass and bricks were falling dwn.(牛津八年级上U8)8. Timmy was trapped in a dark place after the earthquake stpped.(牛津八年级上U8)9. He stayed with the by and played with him fr tw hurs befre the by’s parents came.(牛津七年级下U7)
1. He remained there fr abut a year _______ the NBA tk ntice f him.(P51)2. _______ he graduated, he was frced t play in anther basketball league.(P51)3. ______ he finally gt the chance, he scred 20 pints in his first game.(P50)4. _______ (he was) attending junir high, Spud tried ut fr the schl team.(P50)5. Smetimes we frget _______ we shuld stp. (P37)
Fill in the blanks.
6. It can cheer yu up _______ yu are feeling sad. (P23)7. Outside, peple were running in all directins _______ pieces f glass and bricks were falling dwn.(牛津八年级上U8)8. Timmy was trapped in a dark place _______ the earthquake stpped.(牛津八年级上U8)9. He stayed with the by and played with him fr tw hurs ________ the by’s parents came.(牛津七年级下U7)
1. _______ the children have fun, parents can take dance lessns n the beach. (2013山东菏泽) A. When B. If C. While D. Once2. _______ I gt back, I fund my mther cking fr me. (2013湖北黄石) A. When B. Befre C. Since D. Althugh
以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。
时间状语从句是指在复合句中充当时间状语的句子。如：
When the weather is gd, my grandpa likes ging fishing.当天气好的时候，我爷爷喜欢去钓鱼。The sun came ut after the strm stpped.暴风雨停止后，太阳出来了。
注意： 我们可以用befre, after, when和while引导时间状语从句，这些词既可放在句首，也可放在句中。
befre的意思是“在……之前”，表示主句动作发生在从句动作之前。如：
Clse the windws befre yu leave the rm, please.在你离开房间前，请关上窗。
after意思是“在……之后”，表示主句的动作发生在从句的动作之后。如：
I went t schl after I finished my breakfast.我吃完早饭去上学。
when意思是“当……时”，表示主句动作发生的特定时间。如：
While my sister was sweeping the flr, I was washing the dishes.我姐姐扫地时，我在洗碗。
while意思是“当……时”，强调主句动作和从句动作是同时发生的。如：
The days get lnger when spring cmes.春天到来时，白天变长了。
注意：while引导的从句的谓语动词必须是延续性的。
while还可以表示“在……期间”，表示主句动作发生在从句动作进行的过程中。如:
While the bys were playing ftball, it rained.当男孩子们踢足球时，下雨了。
注意： 在when和while引导的从句中，当主句和从句的主语一致，并且从句中有be动词时，可以省略主语和be动词，构成when/while+ -ing结构。如：
When (she is) in truble, she always asks fr my help.她遇到困难时总是向我求助。While (I am) travelling, I like t buy sme suvenirs.旅游时我喜欢买纪念品。
David is writing in his diary abut ne f his days. Help him cmbine his sentences using befre, after, when r while. (P54)
1. I g t jgging every mrning. Then I have breakfast. _____________________________________ ________________________________2. I practised playing basketball fr hurs. I felt tired ut. _____________________________________ _________________________________
I g jgging every mrning befre I have breakfast.
After I practised playing basketball fr hurs, I felt tired ut.
3. I met Peter. I was waiting at the bus stp. ___________________________________ _______________________________4. I was watching TV. I received a call frm my uncle. ___________________________________ ________________________________5. I was ready t g t bed. My father came back frm wrk. ___________________________________ ________________________________
I met Peter while (I was) waiting at the bus stp.
While (I was) watching TV, I received a call frm my uncle.
I was ready t g t bed when my father came back frm wrk.
1. Yu’ve been happy since I first met yu.(P48)2. Spud remained in anther basketball league fr abut a year till/until the NBA tk ntice f him.(P51)3. Until his dream came true, Spud never gave up. (P55)4. D nt wake me up until yu finish yur wrk.(P48)
5. It mved up ver my stmach and neck until it was standing near my face. (牛津八年级下U4)6. I’ve lived here since I was brn. (牛津八年级下U1)7. They’ll say “excuse me” and be plite enugh t wait till yu mve. (牛津八年级下U5)
1. Yu’ve been happy _________ I first met yu.(P48)2. Spud remained in anther basketball league fr abut a year __________ the NBA tk ntice f him.(P51)3. _________ his dream came true, Spud never gave up. (P55)4. D nt wake me up ________ yu finish yur wrk.(P48)
till/ until
5. It mved up ver my stmach and neck _______ it was standing near my face. (牛津八年级下U4)6. I’ve lived here ________ I was brn. (牛津八年级下U1)7. They’ll say “excuse me” and be plite enugh t wait ________ yu mve. (牛津八年级下U5)
1. Tigers wait _______ it is dark, then g ut t find their fd. (2012山东潍坊) A. since B. until C. as D. because2. — Yu have been in Nanjing very lng? — Yeah. _______ my parents came here. (2013四川内江) A. Fr B. As C. When D. Since
since, till和until常用来引导时间状语从句。如：
since,till和until引导的时间状语从句
Mr Brwn has been in Beijing since yu left.自从你离开，布朗先生就一直待在北京。I wrked till/until he came back.我一直工作到他回来为止。
since意思是“自从……以来”。一般情况下，从句谓语动词用一般过去时，而主句的谓语动词用现在完成时。如：
注意：since引导的从句的谓语动词可以是延续性动词，也可以是瞬时动词。
They have been friends since they were at primary schl.他们从小学起就一直是好朋友。
till和until意思是 “到……为止” ，一般情况下两者可以互换。until可以放在句首或句中，而till不可以用在句首。注意：如果主句中的谓语动词是瞬时动词时，必须用否定形式，即“nt…until”结构，意思是“直到……才（开始）”。如：
Walk till/until yu see a white huse.一直走到你看到一座白房子为止。I did nt g t bed until I finished my hmewrk.直到做完作业我才上床睡觉。
Here are mre sentences frm David’s diary entry. Cmplete his sentences with since, till r until. (P55)
1. I have been crazy abut playing basketball ________ I was a little by.2. The weather has been awful this week. The rain did nt stp ________ yesterday evening, s we culd nt practise basketball fr several years.
3. We played basketball in the playgrund this afternn ________ it was getting dark.4. It is the first time we have played basketball _______ Mnday. We enjyed urselves very much.5. I waited fr 20 minutes at the bus stp ________ the bus arrived.6. It is Friday evening. I will nt g t bed ________ I finish watching my favurite TV prgramme.
till/until
1. As sn as yu click the muse, there’s a great deal f infrmatin.(P49)2. …and I can read them whenever I want t. (P49)3. It began t rain as sn as I left the huse. (P56)
1. __________ yu click the muse, there’s a great deal f infrmatin.(P49)2. …and I can read them ___________ I want t. (P49)3. It began t rain ____________ I left the huse. (P56)
I will send yu an e-mail as sn as I ________ in Canada. (2011 北京) A. arrive B. arrived C. am arriving D. will arrive
as sn as和whenever引导的时间状语从句
我们常用as sn as和whenever引导时间状语从句。如：
As sn as I arrive in Canada, I will call yu.我一到加拿大，就给你打电话。Whenever he met us, he smiled at us.他每次遇见我们，都向我们微笑。
as sn as意思是“一……就”。如：
We began t wrk as sn as we gt there.我们一到那里就开始工作。He will visit yu as sn as he gets there.他一到那里就会去拜访你。
whenever意思是“每当，任何时候”。如:
注意：whenever可以用every time替换。
He likes listening t music whenever he has time.每当他有时间的时候，他喜欢听音乐。
Simn is writing abut David’s lve fr basketball. Help Simn cmplete his sentences with as sn as r whenever. (P56)
1. David ften ges t play basketball __________ schl is ver.2. He watches the NBA _________ there is a game n TV.3. _________ he talks abut basketball, he gets excited.4. _________ he learnt that the NBA players wuld cme t China, he tried his best t get a ticket.
David is writing abut Ya Ming, his favurite basketball star. Help him cmplete his article with the crrect cnjunctins yu have learnt in this unit. (P56)
Ya Ming was brn in Shanghai in 1980. he gt his first basketball (1) _________ he was nly fur years ld, but he did nt becme serius abut basketball (2) _________ he was 12. Ya jined the Hustn Rckets in 2002 and became the best Chinese player t every play in the NBA.
(3) __________ he went t the USA, he knew little English, but he quickly learnt the language. The best mment in his career was in 2004 — he scred 41 pints in a game against the Atlanta Hawks.When Ya Ming was living in the USA, he returned t China (4) __________ he was needed. He tk part in the Olympics in 2004 and in 2008 as ne f the Chinese athletes. (5) __________ he ended his basketball career, Ya has dne mre charity wrk, especially fr pr Chinese teenagers.
Since/After
Time fr reflectin
引导时间状语从句的谓语动词用一般过去时, 主句的谓语动词用现在完成时。
可以和every time替换。
Ⅰ. 根据汉语提示完成英语句子。1. Be quiet __________________________ (当我正在做作业时).2. She’ll return the bks t yu ____________________________________ (她一看完).3. ________________________ (当我七岁时), I culd ride a bike.4. I didn’t g t bed ________________________ (直到我父亲回来) last night.5. Kate went t bed __________________________ (在她完成作业后).6. I went t say gdbye t my friends ___________________________ (在我去美国之前).
while I am ding my hmewrk
as sn as she finishes reading them
When I was seven years ld
until my father came back
after she finished her hmewrk
befre I went t America
Ⅱ. 用所给动词的适当形式填空。1. Yu must tell her t g back hme when she _________ (get) here.2. I’ll have t wait there until Jhn _______ (cme) back.3. While they __________ (play) cmputer games at hme, there was a knck n the dr.4. Please tell him abut it as sn as yu ________ (see) him.
were playing
career against
n. 生涯，职业prep. 对抗；与……相反；违反
T learn t use the fllwing cnjunctins t intrduce time clauses: using befre, after, when and while using since, till and until using as sn as and whenever
Lk at the fllwing sentences.
1. He remained there fr abut a year befre the NBA tk ntice f him.(P51)2. After he graduated, he was frced t play in anther basketball league.(P51)3. When he finally gt the chance, he scred 20 pints in his first game.(P50)4. While (he was) attending junir high, Spud tried ut fr the schl team.(P50)
5. Smetimes we frget when we shuld stp. (P37)6. It can cheer yu up when yu are feeling sad. (P23)7. Outside, peple were running in all directins while pieces f glass and bricks were falling dwn.(牛津八年级上U8)8. Timmy was trapped in a dark place after the earthquake stpped.(牛津八年级上U8)9. He stayed with the by and played with him fr tw hurs befre the by’s parents came.(牛津七年级下U7)
1. He remained there fr abut a year _______ the NBA tk ntice f him.(P51)2. _______ he graduated, he was frced t play in anther basketball league.(P51)3. ______ he finally gt the chance, he scred 20 pints in his first game.(P50)4. _______ (he was) attending junir high, Spud tried ut fr the schl team.(P50)5. Smetimes we frget _______ we shuld stp. (P37)
Fill in the blanks.
6. It can cheer yu up _______ yu are feeling sad. (P23)7. Outside, peple were running in all directins _______ pieces f glass and bricks were falling dwn.(牛津八年级上U8)8. Timmy was trapped in a dark place _______ the earthquake stpped.(牛津八年级上U8)9. He stayed with the by and played with him fr tw hurs ________ the by’s parents came.(牛津七年级下U7)
1. _______ the children have fun, parents can take dance lessns n the beach. (2013山东菏泽) A. When B. If C. While D. Once2. _______ I gt back, I fund my mther cking fr me. (2013湖北黄石) A. When B. Befre C. Since D. Althugh
以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。
时间状语从句是指在复合句中充当时间状语的句子。如：
When the weather is gd, my grandpa likes ging fishing.当天气好的时候，我爷爷喜欢去钓鱼。The sun came ut after the strm stpped.暴风雨停止后，太阳出来了。
注意： 我们可以用befre, after, when和while引导时间状语从句，这些词既可放在句首，也可放在句中。
befre的意思是“在……之前”，表示主句动作发生在从句动作之前。如：
Clse the windws befre yu leave the rm, please.在你离开房间前，请关上窗。
after意思是“在……之后”，表示主句的动作发生在从句的动作之后。如：
I went t schl after I finished my breakfast.我吃完早饭去上学。
when意思是“当……时”，表示主句动作发生的特定时间。如：
While my sister was sweeping the flr, I was washing the dishes.我姐姐扫地时，我在洗碗。
while意思是“当……时”，强调主句动作和从句动作是同时发生的。如：
The days get lnger when spring cmes.春天到来时，白天变长了。
注意：while引导的从句的谓语动词必须是延续性的。
while还可以表示“在……期间”，表示主句动作发生在从句动作进行的过程中。如:
While the bys were playing ftball, it rained.当男孩子们踢足球时，下雨了。
注意： 在when和while引导的从句中，当主句和从句的主语一致，并且从句中有be动词时，可以省略主语和be动词，构成when/while+ -ing结构。如：
When (she is) in truble, she always asks fr my help.她遇到困难时总是向我求助。While (I am) travelling, I like t buy sme suvenirs.旅游时我喜欢买纪念品。
David is writing in his diary abut ne f his days. Help him cmbine his sentences using befre, after, when r while. (P54)
1. I g t jgging every mrning. Then I have breakfast. _____________________________________ ________________________________2. I practised playing basketball fr hurs. I felt tired ut. _____________________________________ _________________________________
I g jgging every mrning befre I have breakfast.
After I practised playing basketball fr hurs, I felt tired ut.
3. I met Peter. I was waiting at the bus stp. ___________________________________ _______________________________4. I was watching TV. I received a call frm my uncle. ___________________________________ ________________________________5. I was ready t g t bed. My father came back frm wrk. ___________________________________ ________________________________
I met Peter while (I was) waiting at the bus stp.
While (I was) watching TV, I received a call frm my uncle.
I was ready t g t bed when my father came back frm wrk.
1. Yu’ve been happy since I first met yu.(P48)2. Spud remained in anther basketball league fr abut a year till/until the NBA tk ntice f him.(P51)3. Until his dream came true, Spud never gave up. (P55)4. D nt wake me up until yu finish yur wrk.(P48)
5. It mved up ver my stmach and neck until it was standing near my face. (牛津八年级下U4)6. I’ve lived here since I was brn. (牛津八年级下U1)7. They’ll say “excuse me” and be plite enugh t wait till yu mve. (牛津八年级下U5)
1. Yu’ve been happy _________ I first met yu.(P48)2. Spud remained in anther basketball league fr abut a year __________ the NBA tk ntice f him.(P51)3. _________ his dream came true, Spud never gave up. (P55)4. D nt wake me up ________ yu finish yur wrk.(P48)
till/ until
5. It mved up ver my stmach and neck _______ it was standing near my face. (牛津八年级下U4)6. I’ve lived here ________ I was brn. (牛津八年级下U1)7. They’ll say “excuse me” and be plite enugh t wait ________ yu mve. (牛津八年级下U5)
1. Tigers wait _______ it is dark, then g ut t find their fd. (2012山东潍坊) A. since B. until C. as D. because2. — Yu have been in Nanjing very lng? — Yeah. _______ my parents came here. (2013四川内江) A. Fr B. As C. When D. Since
since, till和until常用来引导时间状语从句。如：
since,till和until引导的时间状语从句
Mr Brwn has been in Beijing since yu left.自从你离开，布朗先生就一直待在北京。I wrked till/until he came back.我一直工作到他回来为止。
since意思是“自从……以来”。一般情况下，从句谓语动词用一般过去时，而主句的谓语动词用现在完成时。如：
注意：since引导的从句的谓语动词可以是延续性动词，也可以是瞬时动词。
They have been friends since they were at primary schl.他们从小学起就一直是好朋友。
till和until意思是 “到……为止” ，一般情况下两者可以互换。until可以放在句首或句中，而till不可以用在句首。注意：如果主句中的谓语动词是瞬时动词时，必须用否定形式，即“nt…until”结构，意思是“直到……才（开始）”。如：
Walk till/until yu see a white huse.一直走到你看到一座白房子为止。I did nt g t bed until I finished my hmewrk.直到做完作业我才上床睡觉。
Here are mre sentences frm David’s diary entry. Cmplete his sentences with since, till r until. (P55)
1. I have been crazy abut playing basketball ________ I was a little by.2. The weather has been awful this week. The rain did nt stp ________ yesterday evening, s we culd nt practise basketball fr several years.
3. We played basketball in the playgrund this afternn ________ it was getting dark.4. It is the first time we have played basketball _______ Mnday. We enjyed urselves very much.5. I waited fr 20 minutes at the bus stp ________ the bus arrived.6. It is Friday evening. I will nt g t bed ________ I finish watching my favurite TV prgramme.
till/until
1. As sn as yu click the muse, there’s a great deal f infrmatin.(P49)2. …and I can read them whenever I want t. (P49)3. It began t rain as sn as I left the huse. (P56)
1. __________ yu click the muse, there’s a great deal f infrmatin.(P49)2. …and I can read them ___________ I want t. (P49)3. It began t rain ____________ I left the huse. (P56)
I will send yu an e-mail as sn as I ________ in Canada. (2011 北京) A. arrive B. arrived C. am arriving D. will arrive
as sn as和whenever引导的时间状语从句
我们常用as sn as和whenever引导时间状语从句。如：
As sn as I arrive in Canada, I will call yu.我一到加拿大，就给你打电话。Whenever he met us, he smiled at us.他每次遇见我们，都向我们微笑。
as sn as意思是“一……就”。如：
We began t wrk as sn as we gt there.我们一到那里就开始工作。He will visit yu as sn as he gets there.他一到那里就会去拜访你。
whenever意思是“每当，任何时候”。如:
注意：whenever可以用every time替换。
He likes listening t music whenever he has time.每当他有时间的时候，他喜欢听音乐。
Simn is writing abut David’s lve fr basketball. Help Simn cmplete his sentences with as sn as r whenever. (P56)
1. David ften ges t play basketball __________ schl is ver.2. He watches the NBA _________ there is a game n TV.3. _________ he talks abut basketball, he gets excited.4. _________ he learnt that the NBA players wuld cme t China, he tried his best t get a ticket.
David is writing abut Ya Ming, his favurite basketball star. Help him cmplete his article with the crrect cnjunctins yu have learnt in this unit. (P56)
Ya Ming was brn in Shanghai in 1980. he gt his first basketball (1) _________ he was nly fur years ld, but he did nt becme serius abut basketball (2) _________ he was 12. Ya jined the Hustn Rckets in 2002 and became the best Chinese player t every play in the NBA.
(3) __________ he went t the USA, he knew little English, but he quickly learnt the language. The best mment in his career was in 2004 — he scred 41 pints in a game against the Atlanta Hawks.When Ya Ming was living in the USA, he returned t China (4) __________ he was needed. He tk part in the Olympics in 2004 and in 2008 as ne f the Chinese athletes. (5) __________ he ended his basketball career, Ya has dne mre charity wrk, especially fr pr Chinese teenagers.
Since/After
Time fr reflectin
引导时间状语从句的谓语动词用一般过去时, 主句的谓语动词用现在完成时。
可以和every time替换。
Ⅰ. 根据汉语提示完成英语句子。1. Be quiet __________________________ (当我正在做作业时).2. She’ll return the bks t yu ____________________________________ (她一看完).3. ________________________ (当我七岁时), I culd ride a bike.4. I didn’t g t bed ________________________ (直到我父亲回来) last night.5. Kate went t bed __________________________ (在她完成作业后).6. I went t say gdbye t my friends ___________________________ (在我去美国之前).
while I am ding my hmewrk
as sn as she finishes reading them
When I was seven years ld
until my father came back
after she finished her hmewrk
befre I went t America
Ⅱ. 用所给动词的适当形式填空。1. Yu must tell her t g back hme when she _________ (get) here.2. I’ll have t wait there until Jhn _______ (cme) back.3. While they __________ (play) cmputer games at hme, there was a knck n the dr.4. Please tell him abut it as sn as yu ________ (see) him.
were playing
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