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1、-The Present Perfect Tense,Grammar revision,时态,不同时间发生的动作，动词要用不同形式,已学习过的时态,1.v原形 2.v+s/es（三单现）,am/is/are+v-ing,1.will/shall+v原形 2.am/is/are going to +v原形,1.v-ed（规则动词） 2.不规则动词,was/were+v-ing,判断下列句子的时态,1.She works in a factory. 2.I was doing my homework at this time yesterday. 3.We are going to have a
2、picnic this Sunday. 4.They held a sports meeting last week. 5.Are you helping your mother .,一般现在时,过去进行时,一般将来时,一般过去时,现在进行时,现在完成时,1.过去发生的动作对现在造成的影响或结果。,2.过去已经开始，持续到现在的动作或状态,动词构成：have/has+v过去分词,have breakfast,I have just had my breakfast.,(现在我不饿),Im not hungry now,moved here in 2000,I still live here,I
3、 have lived here for three years.,I have lived here since 2000/three years ago.,现在完成时动词构成 have /has+v 过去分词,助动词,否定,havent hasnt,疑问,Have you? Has he?,动词的过去分词形式,1.规则动词 2.不规则动词,finish-finished-finished live-lived-lived carry-carried-carried stopstopped-stopped,Eg.,gowentgone see-sawseen forgetforgot-for
4、gotten,翻译.,finish, homework,I have finished my homework.,He has finished his homework,havent,Has he,Yes,he has,No ,he hasnt,她成为一名护士已经三年了。 我五年前就认识李雷了。 那些相片我已经寄给他了。（post） 我来到这个学校后，他就一直教我。 我刚丢了我的历史书。,She has been a nurse for three years.,I have known Lilei since five years ago.,I have already posted th
5、e photos to him.,He has taught me since I came to the school.,I have just lost my history book.,know, knew ,known teach,taught,taught lose,lost,lost,Pay attention 注意,1.现在完成时句中常见的时间状语 A.表示从过去一直持续到现在,不能是具体过去时间,( 1).for+表示一段时间的短语 ( 2).since+表示过去时间点的词语 ( 3).since+表示过去时间的时间状语从句,eg.I have been a teacher _
6、 a year. He has been at this school _ 1992. We have learned 1,000 English words _ we came to this school.,for,since,since,不能是具体过去时间,B.just,already,yet,before/ ever,never 有此类副词时,常强调动作完成,不强调动作的持续.,eg.Have you _been to Japan? I have _ finished my homework. I have finished my homework _. I havent finish
7、ed my homework _.,ever,just,already,yet,2.区分短暂性动词与持续性动词. 表示短暂性(瞬间性)的动词在现在完成时的句中不能和一段时间连用.即for,since短语或how long问句,I have bought this pen for two months.,I have had this pen for two months.,How long have you _ this pen.,had,The play has begun for an hour.,has been on for an hour.,come/arrive go out le
8、ave begin buy borrow join die catch a cold,be,be out,be away (from),be on,have,keep,be a member of,be dead,have a cold,改错,How long have you become a league member？ For more than one year. Have you arrived here since last night. Yes，youre right. The dog has died for a month. He has gone to Shanghai t
9、wice. How long have been at this school? Since two years,been,been,been dead,been,ago,For,改写句子,改写句子,1.My father came back from the bookshop just now. My father _ just _ _ the book shop. 2.He began to learn Chinese in 2001. He _ _ Chinese since 2001. 3.The film began two minutes ago. The film _ _ _ s
10、ince two minutes ago. 4.He has had the motorbike for two years. Its two years _he _ the motorbike. He _ the motorbike two years _. Two years _ _ since he _ the motor bike,has,returned,from,has,learned,has been on,since,bought,bought,ago,has passed,bought,用所给动词的适当形式填空,1.He_ (go) to America the year b
11、efore last. 2.-What _ you _(do)? -I _ (be) a teacher. 3. Do you like _ (drink) milk? 4.He _ _(not have) his supper yet. 5.We _ (see) Uncle Li tomorrow. 6.Joans mother often _ at four, now she _(cook) 7.He _(read) a book when the accident _(happen). 8._ (travel) by air is very fast 9.Let us _ (wait) outside. 10.The teacher told us _ (not talk) any more.,went,do do,am,drinking,hasnt had,are going to see,cooks,is cooking,was reading,happened,Traveling,wait,not to talk,思考 Whats the difference between the blue words and the red ones?,Thank you Bye-bye!,