初中英语Unit 1 Past and PresentGrammar教学课件ppt

这是一份初中英语Unit 1 Past and PresentGrammar教学课件ppt，共15页。PPT课件主要包含了现在完成时态 1等内容，欢迎下载使用。
Present perfect tense
When d we use
Present Perfect Tense
We use Present Perfect Tense t talk abut
an actin that started in the past and cntinues up t the present.an actin that happened in the past and have a cnnectin with the present.hw many times an actin has happened till nw.
I have lived here since I was brn.
I’ve just eaten it.
I ate the fd, and there’s nthing left fr yu nw.
I have already watched this film twice.
have/has +p.p.(过去分词）
Different situatins
an actin that started in the past and cntinues up t the present.an actin that happened in the past and have a cnnectin with the present.hw many times an actin has happened till nw.
Peter has read this bk many times.
Has the twn changed a lt?
Times have changed.
We have lived in this area since then.
We haven’t mved huse fr tw years.
Has... changed
have changed
have lived
haven’t mved
have /has+past participle (p.p.)
regular verbs
irregular verbs
A shrt test
brrwedhpedmadegt
plannedcriedsentwatched
saidgrwnhitenjyed
have nt=haven’thas nt =hasn’t
have finished
has visited
has repaired
haven’t seen
haven’t cme
1. We haven’t finished ur hmewrk s far.(Psitive statement)2. The rain has already stpped.(Negative statement)3. They have been t the space museum recently.(Yes r N questin)4. My taste has changed a little ver the years.(Negative statement)5. Eddie’s eaten Hb’s fd three times.(Wh-questin)
Change sentence patterns based n request.
We have finished ur hmewrk s far.The rain hasn’t stpped yet.Have they been t the space museum recently?My taste hasn’t changed a little ver the years.Hw many times has Eddie eaten Hb’s fd?
Time expressins
She has lived in Beijing since she was brn.I haven’t played ftball fr several years.They have been married since 2001.
just nw 刚才，用于过去时态中。
Chat time:
Millie: _________ yu ________(see) any films recently, Sandy?Sandy: N, I haven’t. What abut yu?Millie: I __________（see) ne last Saturday.Sandy: What’s it abut?Millie: It’s abut the changes in Beijing ver the past century. Frm this film, I _____________(learn) mre abut Beijing’s past and present.Sandy: Oh, I think I ____________(hear) abut the film. D yu plan t see it again?Millie: Yes, I’d like t.
Have seen
have learned