牛津上海版八年級上冊since引導的時間狀語從句及till、until用法

1、since引導的時間狀語從句until/ till的用法1.since引導的時間狀語從句，此用法較復雜。1）若since引導的狀語從句的謂語動詞是瞬間動詞的過去時，則從句表示的時間是“從該動作開始的那一刻起”。這是最常見的一種用法。E.g.He has studied very hard _（自從）he came to our school.2） 若since引導的狀語從句的位于動詞是延續(xù)性動詞或表示狀態(tài)的靜態(tài)動詞的過去時，則從句表示的時間是“從該動作或狀態(tài)的完成或結束時算起。E.g.I havent heard from him since he lived here.3) 若since引導

2、的狀語從句的位于未延續(xù)性動詞的現(xiàn)在完成時，則表示動作和狀態(tài)延續(xù)到現(xiàn)在，其表示的時間的起點應從動詞發(fā)生之時起。4） It is+一段時間+since./It has been +一段時間+since.表示， “從起已有多長時間了”， 用法：since從句中常用一般過去時，若從句中是延續(xù)性動詞的一般過去時，則表示該動作結束有多長時間。E.g.It is three years since he smoked.2. until/ till1）until/ till作介詞時表示動作持續(xù)到什么時候。E.g.1)Ill work in the office until six oclock.2) The

3、talk show wont be over until 10:00 p.m.2)not.until直到才表示在這個界限之前一直沒有發(fā)生這個動作You cant leave until I come back.PracticeI.Choose the best answer. （選擇最恰當?shù)拇鸢福?. Tim didnt have dinner _ he finished watching the cartoon.A. whileB. untilC.unlessD.since2. Many students didnt realize the importance of study _ the

4、y left.A. whenB. untilC. forD. after3.I dont have to introduce him to you _ you know the boy.A. untilB. unlessC. sinceD. but4.Mr. Chen has been in Sunshine Town _ he was two years old.A. forB. sinceC. fromD. because5.Lucy knew nothing about it _ her sister told her.A. becauseB. untilC. ifD. since6.I

5、t _ about five years since Alice came to China with his family.A. WasB. will beC. isD. were【答案】1.B 2.B 3.C 4.B 5.B 6.C II.Rewrite the sentences as required.（按要求改寫句子）1. My aunt has lived in Shanghai since two years ago.（對劃線部分提問）_ _ has your aunt lived in Shanghai?2. didnt, until, go to bed, he, his,

6、came back, father（連詞成句）_3. He went home after 11 p.m. last night.（保持句意基本不變）He _ _ home _ 11 p.m. last night.【答案】1.How long 2.He didnt go to bed until his father came back. 3.didnt go, until PracticeI. Choose the best answer. (選擇最恰當?shù)拇鸢?1. There is a National Science Exhibition _ the City Museum.A. at

7、B. inC. onD. for2. The Shanghai Museum opened _ the public on 27th, May.A. ofB. forC. toD. with3. Even the top students in our class cant work out this problem, so it _ be very difficult.A. canB. mustC. has toD. need4. The Oriental Pearl Tower doesnt open _ 9:00 a.m.A. afterB. untilC. as well asD. a

8、s will5. What about _ to Beijing for a trip by train?A. goB. not goC. goingD. not to go6. Dont let the boy _ out at night. Its not safe.A. goB. goesC. to goD. went7. Mr. Wang has two children. One is Anne. _ is Tim.A. AnotherB. OtherC. The otherD. The others8. Yesterday morning I got up early _ be l

9、ate for the exam.A. in order toB. in order to notC. so as not toD. so as to9. Mr. White _ Japanese since he left college.A. taughtB. teachesC. has taughtD. will teach10. Hes never visited the Great Wall before, _?A. is heB. has heC. isnt heD. hasnt he【答案】1.A 2.C 3.B 4.B 5.C 6.A 7.C 8.C 9.C 10.B II.C

10、omplete the sentences with given wors in their proper forms. （用所給單詞的適當形式填空）1. Mr Green is fond of Chinese _. (paint)2. Every student _ their presents on Christmas Eve. (change)3. My mother was late and missed the _ of the film. (begin)4. There will be a wonderful _ next week. (exhibit)5. We are very

11、 _ of our country. (pride)【答案】1.paintings 2.exchanges 3.beginning 4.exhibition 5.proudIII.Rewrite the following sentence as required. （按要求改寫句子）1. Jenny lay in bed for a while just now. （改為否定句）Jenny _ _ in bed for a while just now.2. They have known each other since he came to China. （對劃線部分提問）_ _ hav

12、e they known each other?3. Kitty got up early so that she could catch the train.（保持句意基本不變）Kitty got up early _ _ to catch the train.4. My mother and I have the same opinion on the project. （保持句意基本不變）My mother _ _ me on the project.5. My grandfather can hardly believe it. （改為反意疑問句）My grandfather can

13、hardly believe it, _ _?【答案】1. didnt lie 2. How long 3. in order 4. agrees with 5.can heHomeworkI. Choose the best answer (選擇最恰當?shù)拇鸢?1. My father didnt have dinner _ he finished his work.A. whileB. untilC. unlessD. since2. The teacher must speak clearly _ his students understand him well.A. forB. so t

14、hatC. orD.but3. The problem is _ difficult for me _ work out.A. very, toB. enough, toC. so, thatD. too, to【答案】1.B 2.B 3.DII.Rewrite the following sentences as required. （按要求改寫句子)1. There are trees on either side of the road. （保持句意基本不變）There are trees on _ _ of the road.2. The Oriental Pearl Tower is open from 8:30 to 9:00 m.（對劃線部分提問）_ _ is the Oriental Pearl Tower open?3. I turned on the TV when I finished my homework. （保持句意基本不變）I _ turn on the TV _ I finished my homework.4. He has learned English for about 8 years