牛津上海版八年级上册since引导的原因状语从句 专项讲解及练习docx

1、since引导的原因状语从句since引导的原因状语从句和时间状语从句1. since引导的原因状语从句，相当于now that, 意思是“因为”“既然”E.g.1) _（既然）the rain stopped, lets go for a walk.2) _（因为）we are young, we shouldnt be too afraid of making mistakes.【答案】1）Since 2）Since 注意：since表示原因时，语气比because弱，表示的原因是对方已知的或是句中不重要的部分，是附带的原因，所以引导的从句不是信息的焦点，不能回答why的提问。since引

2、导的从句往往放在主句之前。HomeworkI.Choose the best answer. （选择最恰当的答案）1. _ youve grown up, you must stop this childish behavior.A. Such asB.AlthoughC.So thatD.Since2. We wont go to climb the mountain tomorrow _ it will rain.A. whenB.whileC.sinceD.until3. _ you are good at English, would you mind helping me with

3、my lessons?A. IfB.ThoughC.BecauseD.Since4. It is three year _ I came to this company.A. sinceB.forC.whenD.until5. _ you dont have pencil, I will lend it to you.A. ButB.ThoughC.WhileD.Since6._ everyone is here, lets start our party.A.UnlessB.ButC.SinceD.So7._ you know it, I wont make lies to you.A.Si

4、nceB.UnlessC.AndD.So8._ her mother came back, the little girl stopped crying.A.WhenB.As soon asC.SinceD.If9.Tim didnt have dinner _ he finished watching the cartoon.A.whileB.untilC.unlessD.since10.I dont have to introduce him to you _ you know the boy.A.untilB.unlessC.sinceD.but11.Mr. Chen has been

5、in Sunshine Town _ he was two years old.A.forB.sinceC.fromD.because12.Lucy knew noting about it _ her sister told her.A.becauseB.untilC.ifD.since【答案】1.D 2.C 3.D 4.A 5.D 6.C 7.A 8.B 9.B 10.C 11.B 12.B II.Rewrite the sentences as required. （按要求改写句子）1. Since you are unable to answer, perhaps well ask s

6、omeone else.（保持句意基本不变）_ _ you are unable to answer, perhaps well ask someone else.2. Now that you know English is useful, you should study hard. （保持句意基本不变）_ you know English is useful, you _ _ study hard.3. Its five years since my father left Shanghai for New York.（对划线部分提问）_ _ is it since your fathe

7、r left Shanghai for New York?【答案】1.Now that 2.Since, ought to 3.How longIII.Correct the sentences. 1. A girl with a bouquet of flowers in her hand is my niece.Wrong:_Right:_2. There are some books in Toms another hand.Wrong:_Right:_3. Reading some books and newspapers are good for the young.Wrong:_R

8、ight:_4. I dont needs your help at all. I can manage it myself.Wrong:_Right:_5. Its dishonest for you to cheat in an exam.Wrong:_Right:_6. Dont give up working hard, and you will never achieve anything in your life. Wrong:_Right:_7. Nowadays people can get many information on everything by surfing t

9、he internet.Wrong:_Right:_8. The audience stopped to talk at once when the performance began.Wrong:_Right:_【答案】1.A-The 2.another-the other 3.are-is 4.needs-need 5.for-of 6.and-or 7.many-much 8.stop to talk-stop talkingIV.Rewrite the following sentences as required. （按要求改写句子）1. Robot decided to study

10、 abroad. （改为否定句）Robot decided _ _ study abroad.2. Arrive here at 9:00 tomorrow. （改为反意疑问句）Arrive here at 9:00 tomorrow, _ _?3. Alice will communicate with more local people because he wants to learn English.（对划线部分提问）_ _ Alice communicate with more local people?4. The host opened the present in front

11、of the visitors.（对划线部分提问）_ _ the host open the present in front of?5. I dont think you can work out the problem.（改为反意疑问句）I dont think you can work out the problem, _ _?6. Jack failed to catch the early bus. （改为反意疑问句）Jack failed to catch the early bus, _ _?7. Kitty will be back in a few months. （对划线部

12、分提问）_ _ will Kitty be back?【答案】1.not to 2.will you 3.Why will 4.Whom did 5.can you 6.didnt he 7.How soon V.Fill in the blanks with the words and phrases in their proper forms. (选择最恰当的单词或词组并用所给单词和词组的适当形式填空）A.receiveB.decorateC.politeD.necessaryE.traditionalF.be pleased with1.All the guests _ their performaces.2.It is _ for you to learn some Western culture and customs before you take a trip to a Western country.3.Danny had a _ English breakfast at Jims home.4.People are _ the streets with flags and coloured lights for National Day.5.It is not _ to