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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,present(now),future,past,现在完成时,(present perfect tense),do my homework,Mother:John,clean your teeth please.,John:Mum,I,have,already,(已经)cleaned,them.,comb your hair,-,have combed,it,wash your hands,-,have washed,them,study for English test,-,have studied,for it,tell me the truth,-,have told,you everything,visit your grandpa,-,have visited,him,listen to the English tape,-,have listened,to it,Mother:John,clean your teeth,please.,John:Mum,I,have already cleaned,them.,Father:Tell your sister to buy some milk,John.,John:Oh,she,has,just,(刚刚)bought,some.,Father:Tell your sister to,buy some milk,John.,John:Oh,she,has just bought,some.,carry some water for the old man,-,has carried,some,boil some water,-,has boiled,some,make some coffee,-,has made,some,call Mr.Smith,-,has called,him,mend the shirt,-,has mended,it,dry her hair,-,has dried,hers,现在完成时,一.,构成:,have/has+done,(过去分词),过去分词(pp)其变化方法和动词过去式基本相同。有部分不同，需要记好。,He has lived in Shenzhen for 4 years.,Has he lived in Shenzhen for 4 years?,Yes,he has./No,he hasnt.,二:用法:,1)现在完成时表示过去发生的动作,并对现在有影响。,Someone has broken the window.(窗户现在是坏的),I have,already,lost the key.(我现在没有钥匙),I havent read that book,yet,.(不了解书的内容),I have,just,cleaned my hands.(手是干净的),常与already(已经),yet(已经),just(刚刚),ever(曾经)等词连用.,already:常用于肯定句中.,yet:常用于否定句,疑问句尾.,Translate the following sentences.,你已经找到你的书了吗?(find-found),他们在这个城市建了许多房子.(build-built),Judy还没到达.(arrive-arrived),你吃过早饭了吗?(have-had),她刚刚离开.(leave-left),Have you found your book yet?,They have built many buildings in this city.,Judy hasnt arrived yet.,Have you had breakfast?,She has just left.,A:Have you surfed the internet(上网)?,B:Yes,I have./No,I havent.,talk on the phone for an hour,play soccer,eat(eaten)French Fries,see (seen)a tiger,Arnold started to play tennis in Jan.,Arnold has played tennis since Jan.,Maggie moved to Hawaii in 1996.,Maggie,has lived,in Hawaii,for,about 8 years.,现在完成时,二:用法:,2)现在完成时表示从过去一直持续到现在的动作或状态。,She has learned English,for,5 years.,He has lived in Beijing,since,(自从)he was born.,Have you stayed here,since(,自从)3 oclock?,常与for,since引导的时间短语或从句连用.,for+时间段,since+时间点,since+句子,Make sentences about the inventions.,Invention,Date,newspaper,1610,canned food,1823,sewing machine(缝纫机),1851,airplane,1903,plastic(塑料),1907,People have read newspaper,since,1610.,People have read newspaper,for,about 400 years.,Homework:,抄写动词以及过去式和过去分词。,1.be-e,3.go-4.do,5.have-6.drink,7.give-8.eat,9.know-10.make,11.run-12.say,13.see-14.find,15.draw-16.get,17.hear-18.begin,19.buy-20.leave,was/were-been,came-come,went-gone,did-done,had-had,drank-drunk,gave-given,ate-eaten,knew-known,made-made,ran-run,said-said,saw-seen,found-found,drew-drawn,got-got,heard-heard,began-begun,bought-bought,left-left,现在完成时,一.,构成:,have/has+done,(过去分词),过去分词(pp)其变化方法和动词过去式基本相同。有部分不同，需要记好。,二:用法,:,1)现在完成时表示过去发生的动作,并对现在有影响。,I,have,just,called him.,2 表示从,过去,已经开始，持续到现在的动作或状态。,He has worked in this school since he came here.,常与,already(已经),yet(已经),just(刚刚),ever(曾经),等词连用.,常与,for,since,引导的时间短语或从句连用.,Make sentences about the inventions.,Invention,Date,newspaper,1610,canned food,1823,sewing machine(缝纫机),1851,airplane,1903,plastic(塑料),1907,People have read newspaper,since,1610.,People have read newspaper,for,about 400 years.,since:(自以来),1)since+时间点,Hehasstayedhere,since5oclock,.,2)since+时间段+ago,Hehasstayedhere,since5hoursago,.,3)since+从句,ShehastaughtEnglish,sincehecamehere.,for,:(长达）,for+时间段,He has kept the book,for 2 weeks,.,since,for 的用法:,Take notes,用for 或since填空,Mr.Brown has had his TV _ 15 years.,Ive taken driving lessons _ last month.,My sister has had her cell phone _ a month.,My friends havent visited me _ my birthday.,We havent used our car _ a long time.,She hasnt had a good cup of coffee _ years.,Tom has worn glasses _ he was 7 years old.,for,since,for,since,for,for,since,How long have you,learned English?,had your watch?,studied in our school?,had your current hairstyle(发型)?,known your best friend?,worn your glasses?,Homework:,抄写动词以及过去式和过去分词。,1.be-e,3.go-4.do,5.have-6.drink,7.give-8.eat,9.know-10.make,11.run-12.say,13.see-14.find,15.draw-16.get,17.hear-18.begin,19.buy-20.leave,was/were-been,came-come,went-gone,did-done,had-had,drank-drunk,gave-given,ate-eaten,knew-known,made-made,ran-run,said-said,saw-seen,found-found,drew-drawn,got-got,heard-heard,began-begun,bought-bought,left-left,写出下列动词的过去式及过去分词,1 become_-_,2 break_-_,3 bring _-_,4 build_-_,5 bite_-_,6 catch_-_,7 choose_-_,8 cut_-_,9 fall_-_,10 fly_-_,11 forget_-_,12 grow_-_,13 hit_-_,14 hurt_-_,15 keep_-_,16 lend_-_,17 lose_-_,18 meet_-_,19 put_-_,20read_-_,21 ring_-_,became become,broke broken,brought brought,built built,bit bit,caught caught,chose chosen,cut cut,fell fallen,flew flown,forgot forgotten,grew grown,hit hit,hurt hurt,kept kept,lent lent,lost lost,met met,put put,read read,rang rung,按要求改变句子。,1.She has done her homework.(改否定句),2.She has already told us the news.(改否定句),3.The rain has already stopped.(改一般疑问句),4.I have waited here,for
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