Unit 1 Past and present.(Grammar)课件

课件31张PPT。Unit 1 Past and present
Grammar I ate my breakfast at 6:30 this morning.I have already had my breakfast. (I am full now.)I saw The life of Pie a month ago.I have already seen The life of Pie .(I know something about it now.)You finished your holiday exercises in the winter holiday.You have already finished them. I closed the door just now.I have just closed the door. (The door is closed now.)我们还用现在完成时(Present perfect tense)来谈论:1, 过去发生仍与现在有某些联系或有影响的动作或情况。
I have been a teacher for 25 years.（时间段） I am an English teacher. I have been a teacher
since I left my college198825 years ago.(过去的时间点)I became a teacher in 198825 years ago.You learned English 5 years ago.You have learned English since 5 years ago you were in primary school.（过去的时间点）You have learned English for 5 years.（时间段）我们用现在完成时(Present perfect tense)来谈论:2, 过去发生延续到现在的动作或情况。
现在完成时(Present perfect tense) have/ has + PP（动词的过去分词）Have/ Has + 主语 + 动词的过去分词一般疑问句Underlining the present perfect tense in the following sentences 1 They have learned about 20 Chinese songs since they came to China.
2 Has he played computer games for one hour? Yes, he has.
3 My daughter has watched the game a few times. Forming the past participle of verbs一些不规则动词的过去式和过去分词原形 过去式 过去分词
do did done
come came come
see saw seen
hear heard heard
forget forgot forgotten
write wrote written Writing the past participle forms of the following words1 finish
2 repair
3 visit
4 decide
5 travel
6 own
7 befinishedrepairedvisiteddecidedtraveled / travelledownedbeen写出下列动词的过去式和过去分词:be
give
see
make
put
come
writewas/were been
gave given
saw seen
made made
put put
came come
wrote written注:不规则动词见书上122页不规则动词表.Finishing Part A on page 141 borrow
2 hope
3 make
4 get
5 plan
6 cry7 send
8 watch
9 say
10 grow
11 hit
12 enjoy1 borrow
2 hope
3 make
4 get
5 plan
6 cryborrowed
hoped
made
got
planned
criedsent
watched
said
grew
hit
enjoyedFinishing Part B on page 14
1 They __________ (finish) their homework already.
2 John _______ never _____ (visit) China.
3 Mr Li __________ (repair) over ten
bicycles since Monday.
4 We_ __________ (not see) each other for years.
5 My parents __________ (not come) back yet.
6. Our teacher __________ (teach) us a lot about the history of China
have finished has visitedhas repairedhaven’t seenhas taughthaven’t comeFinishing Part C on page 15
M: ________ you ________ (see) any
films recently, Sandy?
S: No, I haven’t.What about you?
M: Well, I ________ (see) one last Saturday.
S: What is it about?
M: It’s about the changes in Beijing over the past century. From this film, I ________ (learn) more about Beijing’s past and present.
S: Oh, I think I ________ (hear) about the film. Do you plan to see it again?
M: Yes, I’d like to.Have seensawhave heardhave learntEddie was born four years ago.pastpresentEddie has lived with Millie since he was born.pastpresentEddie has lived with Millie for four years.since 和for:1) Eddie has lived with Millie since 2001.
Eddie has lived with Millie since 4 years ago.
Eddie has lived with Millie since he was born.小结:since + 时间点 （ 词、词组或句子）2) Eddie has lived with Millie for four years.小结:for + 时间段 3) 对以上句子划线部分提问:How long has Eddie lived with Millie?
We have learned English ______ Grade Three in primary school.
We have learned English _______ five years.
2.He hasn’t felt well ________ last night.
Has he seen the doctor?
3. I have read this story book _______ three days ago. I haven’t finished reading it yet.选用since 或for 填空:sinceforsincesince4. It has snowed ______ two days.
Everything is covered with snow.
5. We have cleaned the classroom ______ half an hour.
6. We have studied at this school ____ 2003.forforsince★just, recently是完成时的时间状语，just now 有a moment ago 之意，是一般过去时的时间状语。
The train has just arrived.
（火车刚到。）
Did you see Tom just now?
（你刚才看到汤姆了吗？）
Have you visited your old friends lately/recently?
（你最近有拜访你的老朋友吗？）
上一页下一页★just, recently是完成时的时间状语，just now 有a moment ago 之意，是一般过去时的时间状语。
I______(lose)my pen just now.
I______ just _____(lose)my pen .
（我刚才丢了钢笔）
She_____ just _____(buy) a book.
She_______ (buy) a book just now.
（她刚才买了本书）
上一页下一页losthavelosthasboughtbought★ ever和never也是现在完成时常见的时间状语。前者意思是“曾经”，多见于疑问句中又可用于肯定句；后者意思是“从来没有”，表示全部否定。
“Have you ever seen the film?” “No. I have never seen it.”
（“你曾经看过这部影片吗？” “没有， 从来没看过。”）
It’s the best story I have ever read.（这是我读过的最好的一个故事。）上一页下一页★already和yet常见于现在完成时中，有“已经”之意。前者一般用在肯定句中，后者用在疑问句中。yet在否定句中有“还”之意。
“Has the bus left yet”?
“Yes. It has already left.”
(“No. It hasn’t left yet.)
“汽车开走了吗？”
“是的，已经开走了。”
“不，还没有开走。 ”上一页下一页 “already” 用于现在完成时的肯定句中, “yet” 用于现在完成时的否定句和疑问句中.

用“already” “yet”填空
He has ( ) visited many ?places in China. ( )
?? 注意 "already" 在句中的两种位置.
?? The train hasn't arrived .火车（到现在）还没有到。
Has she arrived ?? 她已经到了吗？Hasn't he come ? 她还没来吗？
alreadyalreadyyet yet yet1.The boy has already gone home . （改为一般疑问句） __________________________________2. The girl has not given it to me yet. （改为肯定句）__________________________________3.They have visited the Ice Island already.（改为否定句和一般疑问句） ——————————————————————Has the boy gone home yet?The girl has already given it to me.
They haven’t visited the Ice Island yet.
Have they visited the Ice Island yet?Completing the sentences with the correct
ones in brackets
1 Have you done your homework _____ ? ( for, just, yet)
2 I have ______ been to Chengdu. ( for, never, yet)
3 He has worked there _____ he left school. (already, just, since)
4 She has known Sam ______ nine years. ( for, never, since)
5 Have you _______ ridden a horse? ( ever, for, yet)yetneversinceforever6 They have _____ arrived. (ever, just, yet)
7 He has _______ washed the dished.
( already, ever, for)
8 We have not completed the project ____ .
( already, for, yet)justalreadyyet1.He ___________ (wait) for an hour.
2.I _______________(not finish) the work yet.
3.?______ you ______ (know) him since then?
4.I ___________ (not hear) from my brother for a long time.
5.We ___________ (be) there many times since 3 years ago.
Fill in the blanks with the correct forms of the verbs.
has waitedhaven’t finishedHave knownhaven’t heardhave been6.How long __________ you __________ (stay) at home already?
7. He ___________ (not read) the book before.
8.Her sister ________ (go) to Changchun. She________ (leave) this morning.
9.He ___________ (live) in his hometown since he left here.
10.The writer ____________ (finish) several story-books since 1990.havestayedhasn’t readhas gonelefthas livedhas finished
Filling in the blanks with the words given
1 She __________ (wait) for two hours already.
2 They _______________(not finish) the project yet.
3 _____ you ______ (hear) from my sister recently?
4 Mark _________ (be) there for two days.
5 _____ they ever _____ (stay) at home alone?
6 I _____ never ________ (watch) this film .
7 Daniel ______ just _________ (arrive) home.
8 We _____________(not eat) anything since
then.has waitedhaven’t finishedHave heardhas beenHavestayed watchedhavehasarrivedhaven’t eatenCompleting the following sentences
1 我认识这位作家有五年了。
2 她从昨天起已经收到了六张明信片。
3 我们的家乡最近发生了很大的变化。
4 你曾去过香港吗?
5 埃米还没收到她叔叔的来信。
I __________ this writer_____________.She ________ six postcards _____________.Our hometown ___________ a lot ________._____ you ____________ Hong kong?Amy _________ a letter from her uncle ___.have knownfor five yearshas gotsince yesterdayhas changedrecentlyHaveever been tohasn’t gotyet2. How long have you lived in this city?1. How long have you studied English?3. Have you ever been to Beijing?I have lived in this city for … I have studied English since I was … years old.Yes, I have. / No, I haven’t.Pair work Asking and answering the following questions Homework
朗读并记忆课本第122页已学过的不规则
动词的过去分词。