牛津上海版高一上学期Unit1基础语法讲解
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牛津上海版高一上学期Unit1基础语法讲解
1 / 10 高一上学期U1基础语法讲解
一、本节内容
(一)过去完成时
1.过去完成时:
1).概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。
2).时间状语:recently, lately, since…for…,in the past few years, etc.
3).基本结构:have/has + done
4).否定形式:have/has + not +done.
5).一般疑问句:have或has提前
概念:过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作,即过去的过去( past-in-the-past )
----|-------------------------- |-------------------------------|---------------------------->
那时以前 那时 现在
构成:过去完成时由"助动词 had + 过去分词"构成,其中 had 通用于各种人称。
They had already had breakfast before they arrived at the hotel.
She had finished writing the composition by 10 :00 this morning.
2、过去完成时的判断依据:由时间状语来判定
1 ) by + 过去的时间点。
Eg: I had finished reading the novel by nine o'clock last night.
2 ) by the end of + 过去的时间点。
Eg: We had learned over two thousand English words by the end of last term.
3 ) before + 过去的时间点。 牛津上海版高一上学期Unit1基础语法讲解
2 / 10 Eg: They had planted six hundred trees before last Wednesday.
3.课堂练习:
一.用动词的适当形式填空
1. We _____________ (paint) the house before we ______________ (move) in.
2. That rich old man _____________ (make) a will before he _____________ (die).
3. They _____________ (study) the map of the country before they ________ (leave).
4. The robbers _____________ (run away ) before the policemen_______ (arrive).
5. I __________ (turn off) all the lights before I ____________ (go) to bed.
6. Paul __________ (go) out with Jane after he __________ (make) a phone call.
7. Tom __________ (say) he ___________ (read) the book twice.
8. Our plan ____________ (fail ) because we _____________ (make) a bad mistake.
9. When the chairman ______________ (finish) speaking, he _____________
(leave)the hall.
10.The Reads __ ______ (have) lunch when I ________________(get) to their
house.
二.句型转换
1.I had sold the ticket when she came.(改否定句)
2.She had sung a song to us before she danced.(改否定句)
3.They began to climb the mountain after they had bought all the food and drinks.(否定)
牛津上海版高一上学期Unit1基础语法讲解
3 / 10 4.By 10:00 a.m, I had been very hungry. (改一般疑问)
5.Lucy had already completed the project when I arrived.(改一般疑问)
6.By the time he got to the airport, the plane had taken off. (改一般疑问)
7..He had broken his arm when I saw him.(对划线部分提问)
8.When he had read the note, he ate it. (对划线部分提问)
9..Jack didn’t go to the cinema because he had seen the film. (对划线部分提问)
10.We had had the toys for ten years before we gave them to the child. (对划线部分提问)
三.Keys:
一.用动词的适当形式填空
1. had painted... moved 2. had made ... died 3. had studied…left4. had run away..arrived5. had
turned off …went 6. went …had made 7. said …had read 8 failed …had made 9. (had)
finished …left 10. were having/had had …got
1.I hadn't sold the ticket when she came.
2. She hadn't sung a song to us before she danced.
3. They didn't begin to climb the mountain after they had bought all the food and drinks.
4. Had you been very hungry by 10:00 a.m?
5. Had Lucy completed the project when I arrived yet?
6. Had the plane taken off by the time he got to the airport? 牛津上海版高一上学期Unit1基础语法讲解
4 / 10 7. What had he done when you saw him?
8.What did he do when he had read the note?
9. Why didn't Jack go to the cinema?
10. How long had you/we had the toys before you/we gave them to the child?
(二).过去将来时:
定义:
它表示从过去某一时间来看将要发生的某个动作或存在的某种状态。但这个"将来"时间绝不会延伸到“现在”;而仅限于“过去时间区域内”。 句中会带有“过去某个时间点”的状语:
Eg:He said he would come here next Friday.
他说他下周星期五来这儿。
基本构成
1 ) would + 动词原形
Eg:He asked me if I would stay here.
他问我是否要待在这儿。
When you asked Li Lei for help, he would never refuse you.
过去当你请她帮忙时,他绝不会拒绝。
2 ) was / were going to + 动词原形
Eg:No one knew when he was going to finish his homework.
没有人知道他什么时候会完成作业。
He said that I was going to be sent to meet her at the railway station.
他说将要拍我去火车站接她 牛津上海版高一上学期Unit1基础语法讲解
5 / 10
3 ) was/ were about to + 动词原形
Eg:He said that they were to leave at six.
他说他们将于6点动身。
We were about to leave there when it began to rain heavily and suddenly.
就在我们要离开时,天突然下起了大雨。
4) was / were to + 动词原形
Eg:The building was to be completed next month.
这座建筑改在下个月竣工。
Li Lei was to arrive soon.
李蕾很快就要到了。
5) come, go, arrive, leave, die 等瞬时动词或was / were +现在分词,用在过去进行时态中表示过去将来
Eg:He was leaving the next day.
他第二天要走了。
We were informed that the leaders were coming to our school soon.
我们接到通知说领导们很快要来我们学校。
基本用法
1 ) 主句为过去时,宾语从句常表示将要发生的事情。
Eg:Nobody knew what would happen after a hundred years.
没有人知道一百年之后将会发生什么事。
He said he would never go there again.
他说他绝不会再去那儿。