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初中英语牛津译林版九年级下册Unit 1 AsiaGrammar精品课件ppt
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这是一份初中英语牛津译林版九年级下册Unit 1 AsiaGrammar精品课件ppt，文件包含Unit1Grammarpptx、Unit1Grammardocx、Unit1AsiaGrammar练习docx等3份课件配套教学资源，其中PPT共29页， 欢迎下载使用。
it指代前文提到的人、事和物
A Using it as a prnun
1. Lk at the panda. It is s small.2. Anther famus attractin is the Great Wall. It runs fr ver 6,000 kilmetres acrss nrthern China.3. My aunt will have a baby sn. She hpes it will be a at that cute baby ver there! It’s a by, isn’t it?5.--Wh was calling yu n the phne just nw?--It was my cusin.6. Riding arund the cuntryside is ppular in Guilin, isn’t it?7. Turists like t take a bat trip alng the Lijiang River. It is great fun.
1. 约翰在学校足球队。它是在去年成立的。2. — 猫在哪儿？ — 它在花园里。3. 那个婴儿怎么了，一直在哭。4. —谁在敲门？ —是邮递员。5. 英语很重要，我们都知道。
Jhn is in the schl ftball team. It was rerganized last year.
—Where is the cat? — It is in the garden.
What’s matter with the baby? It has been crying.
— Wh is that at the dr? — It’s the pstman.
English is very imprtant, and we all knw it.
1.指代上文提过的生物或非生物。复数形式为they。 2.指代上文提过的性别不明或无须指明性别的小孩。 3.作主语时指代上文提过的人，后跟系表结构，用以指明该人的身份。4.指代上下文或一定语境所表明的情况、事件等。
it 作人称代词的用法
注意：指代宠物时，常可用he或she来代替it。如：他有一只宠物狗。她是他最好的朋友。 He has a pet dg. She is his best friend.
The exchange students visited the Summer Palace yesterday. Kevin is writing abut it. Read the passage belw and find ut what each it refers t. Write yur answers in the blanks.
the Summer Palace
unknwn persn
we culd nt rw a bat there
The lins are all different frm each ther
It’s nine ’clck in the mrning. It is 1 January tday. It is New Year’s Day.It rained all day.It is nly a five-minute walk frm my hme t the schl.In Beijing, it is cld and windy in winter.
B Using it as a impersnal prnun
___ is nine ’clck in the mrning. ___ is 1 January tday. ___ is New Year’s Day. ___ rained all day. ___ is nly a five-minute walk frm my hme t the schl. In Beijing, ___ is cld and windy in winter.
1. 现在十二点十分。2. 距离海滩两英里远。3. 今天早晨下雨了。4. 今天是十月一日，国庆节。
It’s ten past twelve.
It’s tw miles t the beach.
It was raining this mrning.
It’s 1 Octber tday. It is Natinal Day.
在表示时间、日期、天气或距离的表达方式里，我们用 it 作形式主语。此时，it无实际意义但不可以省略。如：It is half past twelve.It is 25 Nvember tday.It is fine tday.It is tw kilmetres t the pst ffice.
it 作非人称代词的用法
Leaving fr ShanghaiThe exchange students left fr Shanghai. Kevin has made sme ntes in his diary. Rewrite his sentences with it.
It is 22 February tday
It is abut 1,300 kilmetres
It was 5 a.m.
It was nly 2℃.
it is very cld and dry in Beijing.
It was a sunny day
It’s nt far
It is very tiring t climb the steps. It is ppular t hire a bicycle and ride arund the cuntryside.3. It is n use crying ver spilt milk.4. It is amazing that there are s many rcks in unusual shapes in the cave.5. It desn’t matter what he thinks.6. Many peple find it pleasant t travel arund.
it作形式主语,替代不定式短语、动名词短语及从句
it作形式宾语,替代不定式短语
C Using it t replace the real subject r bject
1. __ is very tiring _______ the steps.2. __ is ppular ______ a bicycle and ___________ the cuntryside.3. __ is n use _______ ver spilt milk.4. __ was frtunate _____ there was a dctr at the spt.5. ___ desn’t matter ______ he thinks.6. She thinks ___ easy _______ meals.
it 作形式主语时，替代不定式短语、动名词短语及从句，把这类较长的主语移至句尾，使句子显得匀称。例如： It is a great pleasure t be wrking with yu.It is necessary fr yu t bey the rder.It was frtunate that there was a dctr at the spt.It desn’t matter what he thinks.
it 作形式宾语，替代不定式短语、动名词短语及从句，后接宾语补足语，把这类较长的宾语移至宾语补足语之后，使句子显得匀称。例如： We cnsider it flish f him t meet her.Jane fund it dull wrking at the kitchen sink all day.Gerge made it clear that he disagreed.I take it fr granted that yu all knw this.
注意：it 作形式主语，常用于下列句型中： It is + 形容词 + (f / fr …) + t d sth. It takes sb. sme time t d sth. It is said / reprted / … + that从句. it 作形式宾语，常见于句型:主语+ think(s) / find(s) + it + easy / difficult / hard / … + t d sth.”
写出5个用“it”作为形式主语或形式宾语的句子并指出其成分。
1. It is generus f Bill Gates t dnate his mney t the pr.2. It is impssible fr such a little by t carry the heavy bag.3. It is n use crying ver spilt milk.4. It is amazing that he did it n his wn.5. I find it difficult t understand his idea.
Abut ShanghaiMiss Thmpsn, a British teacher travelling with the exchange students, is writing dwn what she thinks abut Shanghai. Help her cmplete her ntes with it.
It is said
it cmfrtable
The lake is very big — it takes up three quarters f the area. 湖很大，占了四分之三的面积。 (1)take up 占据（空间）；占用（时间） The table takes up t much space.这张桌子太占地方了。(2)quarter n. 四分之一 three quarters 四分之三
Language pints
2. Acrss the lake is a 17-hle bridge. There are many stne lins n either side f it.湖上有一座十七孔桥，桥两边有很多石狮子。（1） 倒装句：表示方位的词或短语置句首时，句子要完全倒装。 On the wall are sme pictures.墙上有一些图画。 注意：主语为代词时主谓不倒装。 Out he rushed. 他跑出去了。
（2）either det. & prn. 两者之一 either… r… 不是……就是…… n either side f = n bth sides f Yu may take either f the rads. 两条路你随便走哪一条。 Tm is ging t buy either a guitar r a pian. 汤姆不是要买一把吉他就是一架钢琴。
T have gd knwledge f histry is very helpful fr all f us.T learn a freign language is very useful fr a scientist.T finish the wrk in three hurs is necessary.
It is very helpful fr all f us t have gd knwledge.
It is necessary t finish the wrk in three hurs.
It is very useful fr a scientist t learn a freign language.
I.用 it 作形式主语改写句子。
现在十点半了。我觉得和他一起工作很愉快。在那个城市夏天炎热冬天寒冷。建这座桥花了他们一年的时间。据说他的孩子不见了。
It is ten thirty nw.
I find it pleasant t wrk with him.
It is ht in summer and cld in winter in that city.
It tk them a year t build the bridge.
It is said that his child is lst.
1. Review the grammar we’ve learned tday.2. Finish the related exercises. 3. Preview Integrated skills.
it指代前文提到的人、事和物
A Using it as a prnun
1. Lk at the panda. It is s small.2. Anther famus attractin is the Great Wall. It runs fr ver 6,000 kilmetres acrss nrthern China.3. My aunt will have a baby sn. She hpes it will be a at that cute baby ver there! It’s a by, isn’t it?5.--Wh was calling yu n the phne just nw?--It was my cusin.6. Riding arund the cuntryside is ppular in Guilin, isn’t it?7. Turists like t take a bat trip alng the Lijiang River. It is great fun.
1. 约翰在学校足球队。它是在去年成立的。2. — 猫在哪儿？ — 它在花园里。3. 那个婴儿怎么了，一直在哭。4. —谁在敲门？ —是邮递员。5. 英语很重要，我们都知道。
Jhn is in the schl ftball team. It was rerganized last year.
—Where is the cat? — It is in the garden.
What’s matter with the baby? It has been crying.
— Wh is that at the dr? — It’s the pstman.
English is very imprtant, and we all knw it.
1.指代上文提过的生物或非生物。复数形式为they。 2.指代上文提过的性别不明或无须指明性别的小孩。 3.作主语时指代上文提过的人，后跟系表结构，用以指明该人的身份。4.指代上下文或一定语境所表明的情况、事件等。
it 作人称代词的用法
注意：指代宠物时，常可用he或she来代替it。如：他有一只宠物狗。她是他最好的朋友。 He has a pet dg. She is his best friend.
The exchange students visited the Summer Palace yesterday. Kevin is writing abut it. Read the passage belw and find ut what each it refers t. Write yur answers in the blanks.
the Summer Palace
unknwn persn
we culd nt rw a bat there
The lins are all different frm each ther
It’s nine ’clck in the mrning. It is 1 January tday. It is New Year’s Day.It rained all day.It is nly a five-minute walk frm my hme t the schl.In Beijing, it is cld and windy in winter.
B Using it as a impersnal prnun
___ is nine ’clck in the mrning. ___ is 1 January tday. ___ is New Year’s Day. ___ rained all day. ___ is nly a five-minute walk frm my hme t the schl. In Beijing, ___ is cld and windy in winter.
1. 现在十二点十分。2. 距离海滩两英里远。3. 今天早晨下雨了。4. 今天是十月一日，国庆节。
It’s ten past twelve.
It’s tw miles t the beach.
It was raining this mrning.
It’s 1 Octber tday. It is Natinal Day.
在表示时间、日期、天气或距离的表达方式里，我们用 it 作形式主语。此时，it无实际意义但不可以省略。如：It is half past twelve.It is 25 Nvember tday.It is fine tday.It is tw kilmetres t the pst ffice.
it 作非人称代词的用法
Leaving fr ShanghaiThe exchange students left fr Shanghai. Kevin has made sme ntes in his diary. Rewrite his sentences with it.
It is 22 February tday
It is abut 1,300 kilmetres
It was 5 a.m.
It was nly 2℃.
it is very cld and dry in Beijing.
It was a sunny day
It’s nt far
It is very tiring t climb the steps. It is ppular t hire a bicycle and ride arund the cuntryside.3. It is n use crying ver spilt milk.4. It is amazing that there are s many rcks in unusual shapes in the cave.5. It desn’t matter what he thinks.6. Many peple find it pleasant t travel arund.
it作形式主语,替代不定式短语、动名词短语及从句
it作形式宾语,替代不定式短语
C Using it t replace the real subject r bject
1. __ is very tiring _______ the steps.2. __ is ppular ______ a bicycle and ___________ the cuntryside.3. __ is n use _______ ver spilt milk.4. __ was frtunate _____ there was a dctr at the spt.5. ___ desn’t matter ______ he thinks.6. She thinks ___ easy _______ meals.
it 作形式主语时，替代不定式短语、动名词短语及从句，把这类较长的主语移至句尾，使句子显得匀称。例如： It is a great pleasure t be wrking with yu.It is necessary fr yu t bey the rder.It was frtunate that there was a dctr at the spt.It desn’t matter what he thinks.
it 作形式宾语，替代不定式短语、动名词短语及从句，后接宾语补足语，把这类较长的宾语移至宾语补足语之后，使句子显得匀称。例如： We cnsider it flish f him t meet her.Jane fund it dull wrking at the kitchen sink all day.Gerge made it clear that he disagreed.I take it fr granted that yu all knw this.
注意：it 作形式主语，常用于下列句型中： It is + 形容词 + (f / fr …) + t d sth. It takes sb. sme time t d sth. It is said / reprted / … + that从句. it 作形式宾语，常见于句型:主语+ think(s) / find(s) + it + easy / difficult / hard / … + t d sth.”
写出5个用“it”作为形式主语或形式宾语的句子并指出其成分。
1. It is generus f Bill Gates t dnate his mney t the pr.2. It is impssible fr such a little by t carry the heavy bag.3. It is n use crying ver spilt milk.4. It is amazing that he did it n his wn.5. I find it difficult t understand his idea.
Abut ShanghaiMiss Thmpsn, a British teacher travelling with the exchange students, is writing dwn what she thinks abut Shanghai. Help her cmplete her ntes with it.
It is said
it cmfrtable
The lake is very big — it takes up three quarters f the area. 湖很大，占了四分之三的面积。 (1)take up 占据（空间）；占用（时间） The table takes up t much space.这张桌子太占地方了。(2)quarter n. 四分之一 three quarters 四分之三
Language pints
2. Acrss the lake is a 17-hle bridge. There are many stne lins n either side f it.湖上有一座十七孔桥，桥两边有很多石狮子。（1） 倒装句：表示方位的词或短语置句首时，句子要完全倒装。 On the wall are sme pictures.墙上有一些图画。 注意：主语为代词时主谓不倒装。 Out he rushed. 他跑出去了。
（2）either det. & prn. 两者之一 either… r… 不是……就是…… n either side f = n bth sides f Yu may take either f the rads. 两条路你随便走哪一条。 Tm is ging t buy either a guitar r a pian. 汤姆不是要买一把吉他就是一架钢琴。
T have gd knwledge f histry is very helpful fr all f us.T learn a freign language is very useful fr a scientist.T finish the wrk in three hurs is necessary.
It is very helpful fr all f us t have gd knwledge.
It is necessary t finish the wrk in three hurs.
It is very useful fr a scientist t learn a freign language.
I.用 it 作形式主语改写句子。
现在十点半了。我觉得和他一起工作很愉快。在那个城市夏天炎热冬天寒冷。建这座桥花了他们一年的时间。据说他的孩子不见了。
It is ten thirty nw.
I find it pleasant t wrk with him.
It is ht in summer and cld in winter in that city.
It tk them a year t build the bridge.
It is said that his child is lst.
1. Review the grammar we’ve learned tday.2. Finish the related exercises. 3. Preview Integrated skills.
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