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2021学年Unit 1 Past and PresentGrammar备课课件ppt
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这是一份2021学年Unit 1 Past and PresentGrammar备课课件ppt，共34页。PPT课件主要包含了Free talk，a new park，现在完成时，past，present，lived，lives，moved，not here，worked等内容，欢迎下载使用。
The changes t Sunshine Twn
steel factry
1.Hw lng has Mr. Chen lived in Sunshine Twn?2.What has the gvernment dne t part f the twn centre?3.Why des Mr. Chen think it is impssible t see his ld friends as ften as befre?
He has lived here since he was brn.
It has turned part f the twn centre int a new park.
Because mst f his ld friends have mved away.
The Present Perfect Tense
Mr Chen has lived in Sunshine Twn since he was brn.Mr Chen has lived in Sunshine Twn fr many years.
①We use the present perfect tense t talk abut an actin that started in the past and cntinues t the present.过去某一时间点发生的动作持续到现在或还将持续下去
②We als use the present perfect tense t talk abut an actin that happened in the past and has a cnnectin with the present. 过去某一时间点发生的动作对现在产生影响
His ld friends mved away sme time ag and nw they are nt here.
③We als use the present perfect tense t talk abut hw many times actins have happened till nw. 在过去的时间里同一动作发生过几次
I have already read this bk twice.
1. Eddie has just eaten Hb’s fd.2. I have already visited the city twice.3. Tm has just finished his hmewrk, s he is watching TV.4. The ld man has brrwed mney frm me many times.5. My cusin Nick has wrked in the factry since he left schl.6. Nra has studied there fr 2 years.
①We use the present perfect tense t talk abut an actin that started in the past and cntinues t the present. 过去某一时间点发生的动作持续到现在或还将持续下去②We als use the present perfect tense t talk abut an actin that happened in the past and has a cnnectin with the present. 过去某一时间点发生的动作对现在产生影响③We als use the present perfect tense t talk abut hw many times actins have happened till nw. 在过去的时间里同一动作发生过几次
I have finished my reprt. Yu have lived in Nanjing fr 10 years. He has been in Beijing fr tw mnths.
What’s the structure f the present perfect tense?
1.Negative sentences肯定句 S（第一、二人称单复数\第三人称复数）+ have +过去分词dne S（第三人称单数) + has + 过去分词dne
写出下列动词的过去式和过去分词 (watch and wrk ut the rules)
wrklikecrystayhurry
usedrpcleancarryarrive
wrkedlikedcriedstayedhurried
used drppedcleanedcarriedarrived
规则动词过去分词的构成
1. 一般在动词后直接加-ed
2. 以不发音的e结尾的动词， 直接加-d
3.末尾只有一个辅音字母的 重读闭音节词，先双写这 个辅音字母，再加-ed
4.结尾是“辅音字母+y”的动词，先变“y”为“i”再加-ed
lk lked
play played
live lived
hpe hped
stp stpped
plan planned
study studied
carry carried
不规则动词过去分词的构成
is, ambe are
2. AAA型 （三者一致）
cut cut cut
let let let
put put put
cst cst cst
read read read
3. ABA型 （过去分词与原形一致）
cme came cme
becme became becme
run ran run
4. ABB型 （过去分词与过去式一致）
bring brught brught
find fund fund
hear heard heard
keep kept kept
make made madeget gt gt
此外还有leave, win, tell, spend, say，meet等等。
5. ABC型 （三者不一致）
eat ate eaten
give gave given
write wrte written
see saw seen
frget frgt frgtten
begin began begun
此外还有g, take, knw, speak, swim等等。
visit repair facemvetry studyfitplan
visited repaired facedmvedtried studiedfittedplanned
hitputmeetmakesellgivewritethink
hitputmetmadesldgivenwrittenthught
1. Has Mr Chen lived in Sunshine Twn all his life?
Yes , he has.
2. Has the gvernment turned part f the twn center int a z yet?
N , it hasn’t. It hasn’t turned part f the twn center int a z.
2. 现在完成时的否定句 句型: 主语+have/has+ nt+过去分词 e.g. I have nt seen Harry Ptter yet. He hasn’t been t Tianjin since then.
3. 现在完成时的一般疑问句 句型 : Have/Has+主语+过去分词 Have yu….? Has he….? Yes, I have. Yes, he has. N, I haven’t. N, he hasn’t.
1.They ______________(finish) their hmewrk already. 2. Jhn _______ never _______ (visit) China. 3. Mr Li ______________(repair) ver ten bicycles since Mnday. 4. We ________________(nt see) each ther fr years. 5. My parents ______________(nt cme) back yet. 6. Our teacher _____________(teach) us a lt abut the histry f China recently.
have finished
has visited
has repaired
haven’t seen
haven’t cme
Cmplete the sentences.
What are the key wrds fr the Present Perfect Tense?
A: ______ yur brther ______ his hmewrk yet? (finish)B: Yes, he ‘s already dne it.
Has finished
already
注意：already 用于肯定句， yet 用于疑问句和否定句中
A: _______ yu ever _______ t the park? ( be )B: N, never.
Have been
注意： ever 曾经 用于疑问句中 never 从不 带有否定意义
I ______ just ________ the desk, yu can take it t yur classrm . (fix )
have fixed
Just 刚刚 与现在完成时连用 一般置句中Just nw 刚才 与一般过去时连用
When did yu fix it? I fixed it just nw.
Tm __________in the factry since he left schl. (wrk)
has wrked
since + 从句（从句用一般过去式） + 一段时间+ag + 过去点时间
Tm __________in the factry since ten years ag.
Tm __________in the factry since 1990.
A: Hw lng ______ yu _______ in this schl? (teach )B: Fr 6 years.
have taught
We ______ nly______ 100 trees s far. (plant)They _______ (get) many letters recently.
have planted
s far
recently
have gt
in/ver/during the past/last 10 years
They ________________(build) many buildings in the past 10 years.He ________________(visit) Beijing three times.
have built
has visited
nce/twice/three times/...
Millie: (1)_____ yu ______(see) any films recently, Sandy?Sandy: N, I haven’t. What abut yu?Millie: I (2)________(see) ne last Saturday.Sandy: What’s it abut?Millie: It’s abut the changes in Beijing ver the past century.Frm the film, I (3)______________(learn) mre abut Beijing’s past and present.Sandy: Oh, I think I (4)__________(hear) abut the film. D yu plan t see it again? Millie: Yes, I’d like t.
Have seen
have learnt
Cmplete the cnversatin. P14 C
the simple past tense is just abut past.
knw yur classmates well (wrk in fur, ask 3Qs each and take ntes)
Find smene wh has travelled t Wanshan park2. has kept a dg as a pet3. has been t Paris4. has watched Harry Ptter5. has listened t Cai Xukun6. has written a pem7. has chatted with freigners8. ...
ReprtA: ... and ... have already (just) travelled t Wanshan Park. ... has nt (has never) travelled there.
Cnclusin 现在完成时
过去某一时间点发生的动作对现在产生影响; 过去某一时间点发生的动作持续到现在或还将持续下去;在过去的时间里同一动作发生过几次。
have / has (nt) + 过去分词
规则变化（直接+ed; 以e结尾的+d; 双写+ed; 改y为i+ed）和不规则变化
already, yet, ever, never,just, recently, since, fr, s far,in/ver/during the past/last years, times(次数)
Jane____________ (wrk) in ur schl fr ne year.Max ____________(cme) t ur schl last year/in 2002.3. Le’s parents ____________ (ck) the supper already.4. They ____________ (ck) the supper half an hur ag.5. Tm _____________ (lse) his key , s he can’t pen the dr.6. Betty knws the park well , she_________(be) there many times.7. His father _______________(nt receive) the letter yet.8. _______ Tina ________(wait) here since tw hurs ag?
has wrked
hasn’t received
Has waited
1. I have ______ seen cartns , because I think they are s bring. Ａ. just Ｂ. already Ｃ.befre Ｄ. never2. The famus writer ____ ne new bk in the past tw years . Ａ. is writing Ｂ.was writing Ｃ.wrte Ｄ.has written3. —Our cuntry ______ a lt s far . —Yes . I hpe it will be even ______ . Ａ. has changed ; well Ｂ. changed ; gd Ｃ. has changed ; better Ｄ. changed ; better 4. Harry Ptter is a very nice film . I_____it twice . Ａ. will see Ｂ. have seen Ｃ. saw Ｄ. see5. —These farmers have been t the United States . — Really ? When _____ there ? Ａ. will they g Ｂ. did they g Ｃ. d they g Ｄ. have they gne 6. — ____ yu ____ yur hmewrk yet ? —Yes. I _____ it a mment ag . Ａ. Did ; d ; finished B. Have ; dne ; finished Ｃ. Have ; dne ; have finished Ｄ. will ; d ; finish
The changes t Sunshine Twn
steel factry
1.Hw lng has Mr. Chen lived in Sunshine Twn?2.What has the gvernment dne t part f the twn centre?3.Why des Mr. Chen think it is impssible t see his ld friends as ften as befre?
He has lived here since he was brn.
It has turned part f the twn centre int a new park.
Because mst f his ld friends have mved away.
The Present Perfect Tense
Mr Chen has lived in Sunshine Twn since he was brn.Mr Chen has lived in Sunshine Twn fr many years.
①We use the present perfect tense t talk abut an actin that started in the past and cntinues t the present.过去某一时间点发生的动作持续到现在或还将持续下去
②We als use the present perfect tense t talk abut an actin that happened in the past and has a cnnectin with the present. 过去某一时间点发生的动作对现在产生影响
His ld friends mved away sme time ag and nw they are nt here.
③We als use the present perfect tense t talk abut hw many times actins have happened till nw. 在过去的时间里同一动作发生过几次
I have already read this bk twice.
1. Eddie has just eaten Hb’s fd.2. I have already visited the city twice.3. Tm has just finished his hmewrk, s he is watching TV.4. The ld man has brrwed mney frm me many times.5. My cusin Nick has wrked in the factry since he left schl.6. Nra has studied there fr 2 years.
①We use the present perfect tense t talk abut an actin that started in the past and cntinues t the present. 过去某一时间点发生的动作持续到现在或还将持续下去②We als use the present perfect tense t talk abut an actin that happened in the past and has a cnnectin with the present. 过去某一时间点发生的动作对现在产生影响③We als use the present perfect tense t talk abut hw many times actins have happened till nw. 在过去的时间里同一动作发生过几次
I have finished my reprt. Yu have lived in Nanjing fr 10 years. He has been in Beijing fr tw mnths.
What’s the structure f the present perfect tense?
1.Negative sentences肯定句 S（第一、二人称单复数\第三人称复数）+ have +过去分词dne S（第三人称单数) + has + 过去分词dne
写出下列动词的过去式和过去分词 (watch and wrk ut the rules)
wrklikecrystayhurry
usedrpcleancarryarrive
wrkedlikedcriedstayedhurried
used drppedcleanedcarriedarrived
规则动词过去分词的构成
1. 一般在动词后直接加-ed
2. 以不发音的e结尾的动词， 直接加-d
3.末尾只有一个辅音字母的 重读闭音节词，先双写这 个辅音字母，再加-ed
4.结尾是“辅音字母+y”的动词，先变“y”为“i”再加-ed
lk lked
play played
live lived
hpe hped
stp stpped
plan planned
study studied
carry carried
不规则动词过去分词的构成
is, ambe are
2. AAA型 （三者一致）
cut cut cut
let let let
put put put
cst cst cst
read read read
3. ABA型 （过去分词与原形一致）
cme came cme
becme became becme
run ran run
4. ABB型 （过去分词与过去式一致）
bring brught brught
find fund fund
hear heard heard
keep kept kept
make made madeget gt gt
此外还有leave, win, tell, spend, say，meet等等。
5. ABC型 （三者不一致）
eat ate eaten
give gave given
write wrte written
see saw seen
frget frgt frgtten
begin began begun
此外还有g, take, knw, speak, swim等等。
visit repair facemvetry studyfitplan
visited repaired facedmvedtried studiedfittedplanned
hitputmeetmakesellgivewritethink
hitputmetmadesldgivenwrittenthught
1. Has Mr Chen lived in Sunshine Twn all his life?
Yes , he has.
2. Has the gvernment turned part f the twn center int a z yet?
N , it hasn’t. It hasn’t turned part f the twn center int a z.
2. 现在完成时的否定句 句型: 主语+have/has+ nt+过去分词 e.g. I have nt seen Harry Ptter yet. He hasn’t been t Tianjin since then.
3. 现在完成时的一般疑问句 句型 : Have/Has+主语+过去分词 Have yu….? Has he….? Yes, I have. Yes, he has. N, I haven’t. N, he hasn’t.
1.They ______________(finish) their hmewrk already. 2. Jhn _______ never _______ (visit) China. 3. Mr Li ______________(repair) ver ten bicycles since Mnday. 4. We ________________(nt see) each ther fr years. 5. My parents ______________(nt cme) back yet. 6. Our teacher _____________(teach) us a lt abut the histry f China recently.
have finished
has visited
has repaired
haven’t seen
haven’t cme
Cmplete the sentences.
What are the key wrds fr the Present Perfect Tense?
A: ______ yur brther ______ his hmewrk yet? (finish)B: Yes, he ‘s already dne it.
Has finished
already
注意：already 用于肯定句， yet 用于疑问句和否定句中
A: _______ yu ever _______ t the park? ( be )B: N, never.
Have been
注意： ever 曾经 用于疑问句中 never 从不 带有否定意义
I ______ just ________ the desk, yu can take it t yur classrm . (fix )
have fixed
Just 刚刚 与现在完成时连用 一般置句中Just nw 刚才 与一般过去时连用
When did yu fix it? I fixed it just nw.
Tm __________in the factry since he left schl. (wrk)
has wrked
since + 从句（从句用一般过去式） + 一段时间+ag + 过去点时间
Tm __________in the factry since ten years ag.
Tm __________in the factry since 1990.
A: Hw lng ______ yu _______ in this schl? (teach )B: Fr 6 years.
have taught
We ______ nly______ 100 trees s far. (plant)They _______ (get) many letters recently.
have planted
s far
recently
have gt
in/ver/during the past/last 10 years
They ________________(build) many buildings in the past 10 years.He ________________(visit) Beijing three times.
have built
has visited
nce/twice/three times/...
Millie: (1)_____ yu ______(see) any films recently, Sandy?Sandy: N, I haven’t. What abut yu?Millie: I (2)________(see) ne last Saturday.Sandy: What’s it abut?Millie: It’s abut the changes in Beijing ver the past century.Frm the film, I (3)______________(learn) mre abut Beijing’s past and present.Sandy: Oh, I think I (4)__________(hear) abut the film. D yu plan t see it again? Millie: Yes, I’d like t.
Have seen
have learnt
Cmplete the cnversatin. P14 C
the simple past tense is just abut past.
knw yur classmates well (wrk in fur, ask 3Qs each and take ntes)
Find smene wh has travelled t Wanshan park2. has kept a dg as a pet3. has been t Paris4. has watched Harry Ptter5. has listened t Cai Xukun6. has written a pem7. has chatted with freigners8. ...
ReprtA: ... and ... have already (just) travelled t Wanshan Park. ... has nt (has never) travelled there.
Cnclusin 现在完成时
过去某一时间点发生的动作对现在产生影响; 过去某一时间点发生的动作持续到现在或还将持续下去;在过去的时间里同一动作发生过几次。
have / has (nt) + 过去分词
规则变化（直接+ed; 以e结尾的+d; 双写+ed; 改y为i+ed）和不规则变化
already, yet, ever, never,just, recently, since, fr, s far,in/ver/during the past/last years, times(次数)
Jane____________ (wrk) in ur schl fr ne year.Max ____________(cme) t ur schl last year/in 2002.3. Le’s parents ____________ (ck) the supper already.4. They ____________ (ck) the supper half an hur ag.5. Tm _____________ (lse) his key , s he can’t pen the dr.6. Betty knws the park well , she_________(be) there many times.7. His father _______________(nt receive) the letter yet.8. _______ Tina ________(wait) here since tw hurs ag?
has wrked
hasn’t received
Has waited
1. I have ______ seen cartns , because I think they are s bring. Ａ. just Ｂ. already Ｃ.befre Ｄ. never2. The famus writer ____ ne new bk in the past tw years . Ａ. is writing Ｂ.was writing Ｃ.wrte Ｄ.has written3. —Our cuntry ______ a lt s far . —Yes . I hpe it will be even ______ . Ａ. has changed ; well Ｂ. changed ; gd Ｃ. has changed ; better Ｄ. changed ; better 4. Harry Ptter is a very nice film . I_____it twice . Ａ. will see Ｂ. have seen Ｃ. saw Ｄ. see5. —These farmers have been t the United States . — Really ? When _____ there ? Ａ. will they g Ｂ. did they g Ｃ. d they g Ｄ. have they gne 6. — ____ yu ____ yur hmewrk yet ? —Yes. I _____ it a mment ag . Ａ. Did ; d ; finished B. Have ; dne ; finished Ｃ. Have ; dne ; have finished Ｄ. will ; d ; finish
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