一般过去时,现在完成时,过去完成时

1、past perfect tense 过去完成时,（Simple past tense 一般过去时）,1. He has heard the song before.,（Present perfect tense 现在完成时）,3. He said he had heard the song two years before.,（Past perfect tense 过去完成时）,2. He heard it two years ago.,Simple past tense 一般过去时,表示在过去某个时候发生的动作或存在的状态.,I went to school by bike this mo

2、rning. I was at school yesterday afternoon.,一般过去时,结构:,am, is, are - was, were V-ed,用法：,three days ago Yesterday Last a moment ago = just now in the past in 1997 when +过去时句子,一般过去时,时间状语：,Fill in the blanks with the right form of the verbs:,I _(be) ill last Sunday. Amy _ (sit) here yesterday. _ you _(c

3、lean) your room just now. My sister _ (be) born on June 5. 1996. _ (be) your parents at home just now? He _ (study) French here last year. She _ (do) homework last night. They _(go) to the zoo yesterday morning. We _ (have) a party last Saturday. Joy _ (visit) me yesterday evening. They _ (live) her

4、e two years ago. He _(be) here a moment ago.,was,sat,Did clean,was,Were,studied,did,went,had,visited,lived,was,Present perfect tense 现在完成时,present(now),future,past,1. I have already finished my homework.,2. I have never seen him before.,3. He _ (lose) his key , and he cant get into his house now.,ha

5、s lost,过去分词的构成：,1. 规则动词的变化：,a) 一般情况下在动词后面加 ed,work - worked,play - played,b) 以 e 结尾的动词直接加 d,use - used,refuse - refused,c) 以辅音字母加 y 结尾的动词，把 y 改 i 再加 ed,study - studied,carry - carried,d) 以重读闭音节结尾的，前面有单个元音字母时，双写辅音字母，再加 ed,stop - stopped,drop - dropped,2. 不规则动词的变化见课本 99-100 页,过去完成时的构成：由助动词had + 动词的过去分

6、词（V.pp),现在完成时,用法1：,already, yet, just, ever, never, before,表示过去发生的某一动作对现在造成的影响或结果,时间状语：,两 “去”,have/has been to have/has gone to ,去过某地,去了某地,have/ has been in ,来/去/到/在某地,他来中国两年了,He has been in China for two years.,have/ has been (to) 去过某地,我以前从未去过那儿,他们去过英国两次了,你曾经去过美国吗？,你去那里了？我去老师办公室了,I have never been

7、there before.,I have been to England twice.,Have you ever been to the USA?,- Where have you been? - I have been to the teachers office.,another place,have/ has gone to 去了某地,Tom isnt here. He _ Beijing. 2. - Where is Mr. Li? - He _ Beijing, and he will come back in two weeks.,has gone to,has gone to,

8、another place,现在完成时,用法2：,表示过去已经开始，并持续到现在（包括现在在内）的动作或状态,N,P,F,时间状语：,1. for+一段时间,2. since过去时间点,yesterday,last ,three days ago,1997,this morning,then,since过去时句子,3.how long,since I was born,We have learned English for six years.,He has worked in the factory since he left school.,They have lived in Beiji

9、ng since 1980.,How long have you studied in this school?,现在完成时,用法2：,1.我们学英语六年了 2.自1980年起他们就住在北京了 3.自他毕业起他就在这个工厂工作了 4.你在这个学校学习多长时间了,have,keep,be away (from),be in,be on,be dead,be a member ofbe in,be in,遇到表示一段时间的时间状语,瞬间动词必须改成延续性动词或短语。,buy _ borrow _ begin _ leave _ die _ come/ go to _ join _ arrive a

10、t/ reach/ get to _,现在完成时,用法2：,Sam got sick two days ago .,Sam has been sick for two days.,Sherry got her drivers license (执照) in 1999.,Sherry has had her drivers license since(自从) 1999.,Arnold started to play tennis in Jan.,Arnold has played tennis since Jan.,Maggie moved to Hawaii in 1996.,Maggie h

11、as lived in Hawaii for about 8 years.,Please translate the sentences into English,李雷买这本字典3天了。 Lilei _ for three days. 2. 他们搬到这儿他的爷爷就去世了 His grandfather _since they moved here. 3. 他两年前就离开家乡了 He _ since two years ago.,has had the dictionary,has been dead,has been away from his hometown,现在完成时,时间状语：,in

12、the past / last few years recently in recent years / months / days by now / so far / up to now,past perfect tense 过去完成时,构成：助动词had + 动词的过去分词（V.pp),用法：,1. 过去完成时动词表示过去某一时间或某一动作之前完成的动作或状态。在强调过去某一动作发生在另一动作之前时。,过去完成时：,在强调过去某一个动作发生在另一个动作前常常用过去完成时态。,1.他说他以前见过你。,He said that he _ (see) you before.,had seen,2

13、. 到六点钟为止他们已经工作八小时了。,By six oclock they _(work) for eight hours.,had worked,2. 过去完成时词可以表示过去某一时刻之前发生的动作或呈现的状态，这一动作一直持续 或将继续下去。,By six oclock they _ (work)for eight hours.,When I came to GZ , he _(be) there for a long time.,用法：,1. 到了六点钟为止，他们已经工作了八小时了。,2. 我到广州时，他在那里很长时间了。,had worked,had been,3.到上个月中旬我们在

14、北京住了有五年时间了。,By the middle of last month we _(live) in Beijing for five years.,had lived,1. 到昨晚上，他已写完那封信。,By yesterday evening he _ (write) that letter.,2. 他说他以前见过你。,He said that he _(see) you before.,3. 当我进来时，他已做完了作业。,When I came in he _(finish) his homework.,过去完成时与 by then(截止到那时); by 9 oclock(直到九点钟

15、) by the end of (在结束/末之前); by the time(在时之前); up till then (直到那时); up until last night(直到昨晚）等连用，表示过去的过去。,had written,had seen,had finished,时间状语：,by +过去时间 , by the time +过去时的句子, when / before +过去时的句子,过去完成时,3. 过去完成时和 already, just, ever, yet 等连用表示过去的过去。,用法：,例如：1. 他告诉我说他们队已经赢了。,He told me that his team

16、 _ already _ (win).,had,won,2. 她说她仍没去过长城。,She said that she _(not go to) the Great Wall yet.,hadnt been to,用法：,过去完成时与when, before, as soon as, till/ until 等引导时间状语的从句连用，强调动作发生的时间前后。,例如：1. 她到家之前她的孩子已经睡着了。,When she got home her children _(sleep).,had slept,2. 在他们到达之前电影已经开始了。,Before they arrived here th

17、e film _ already _ (start).,had,started,Last night, as soon as I _ (finish) my work I went to sleep.,3. 我完成作业了就去睡觉了。,had finished,一般过去时：was/were /动词过去式 时间状语： three days ago，yesterday，last ，a moment ago = just now，in the past，in 1997，when +过去时句子 表示在过去某个时候发生的动作或存在的状态。 现在完成时：have/has+动词过去分词 时间状语：alread

18、y, yet, just, ever, never, before，so far，for+一段时间，since+过去时间点 表示过去发生的某一动作对现在造成的影响或结果。 表示过去已经开始，并持续到现在（包括现在在内）的动作或状态。 过去完成时：had+动词过去分词 时间状语：by +过去时间 , by the time +过去时的句子,when / before +过去时的句子 过去的过去已发生、已完成。,I _(be) ill for 3 days. Amy _ (sit) here yesterday. _ you _(clean) your room yet? My sister _ (be) born on June 5. 1996. _ (be) your parents at home just now? He _ (die) since 2 years ago. She_ already _(finish) her homework. They _(go) to the zoo yesterday morning. Before they arrived the movie theater