深圳牛津版英语八年级下册课件-U7-Grammar.ppt
Objective,To learn to use adverbial clauses of reason because of,1.HedistrustedmebecauseIwasnew.2.Asalltheseatswerefullhestoodup.3.Since/Aswevenomoney,wecantbuyit. 4. The children woke up because of a loud noise.5. I was late because of the heavy traffic.,1.Hedistrustedme_Iwasnew.2._alltheseatswerefullhestoodup.3._wevenomoney,wecantbuyit. 4. The children woke up _ a loud noise.5. I was late _ the heavy traffic.,because,As,Since/As,go,Ready?,because of,because of,Fill in the blanks.,用because, as, since或because of连接下列 句子。 1. I went to bed early. I would take a test the next day. (because),I went to bed early because I would take a test the next day.,2. He is ready. We can go now. (Since),Since he is ready, we can go now.,3. I didnt go to Marys party. I was not invited. (as),I didnt go to Marys party as I was not invited.,4. We had to stay at home. It rained heavily. (because of),We had to stay at home because of the heavy rain.,状语修饰动词、形容词、副词或整个句子。当状语为句子时即为状语从句，一般可以用来表示时间、地点、原因、结果等概念。,状语从句,原因状语从句常用引导词：because，since，asMark is absent today because he is ill.马可今天没来，因为他病了。As he was in a hurry, Jack left his bag home.由于走的匆忙，杰克把包落在了家里。,because,because 表示的原因是必然的因果关系；语气最强；通常在主句之后，有时也在主句之前。 回答why提出的问题，只能用because回答。- Why cant I go?- Because you are too young.,since,since 引导的从句置于主句之前，表示已知的，显然的理由。“既然”，较为正式，语气比because弱。Since you are free today, you had better help me with my English.2. Since 可用于省略句，其他不能Since so, there is no more to be said.,as,as 引导的原因状语从句时表示附带说明的“双方已知的原因”，语气比since弱，较为正式，位置灵活（常置于主句前）。As it is raining, youd better take a taxi.I went to bed early, as I was exhausted.,The police officer asked Tom some more questions about the aliens. Match the questions with the answers. Then use them to complete the police officers notes with as, since or because.,b,a,d,c,Tina and I hid behind some bushes as we heard some voices speaking a strange language.,Because an alien saw us and made a terrible noise, we ran away.,Since no one else saw these aliens, our father refused to believe us.,Because of句型becauseof也可以用来说明原因，但它的后面通常跟名词（短语）、代词或V-ing形式等。如：Hecantgotoschoolbecauseofsickness.他因病不能上学。 I went to the party because of him. 因为他，我去参加了聚会。This boy didnt do his homework becauseof skating. 这个男孩因为滑冰而没有做家庭作业。,Write sentences about the story on page 99 using because of.,Tina was surprised because of the yellow light in the sky.,The aliens landed on this planet because of an accident.,The children ran away from the forest because of the aliens.,Their dad was not sure about the childrens story because of the writing on the piece of paper.,注: 另附 word 文档。点击此处链接,I. 单项选择。 1. -Tom isnt feeling very well. -He seems to have a cold _ the weather changes suddenly. （2012安徽）A. before B. so C. because D. though2. _ you are so weak, youd better stay at home.A. Since B. For C. Because D. Though,3. The doctor told the patient to go on a diet _ he was overweight. on the condition that because for when 4. _ the weather was fine, I opened all the windows. As B. Because of C. For D. With,5. _ you are leaving tomorrow, we can eat dinner together tonight. For B. Since C. Before D. While6. I hate traveling by air _ you usually have to wait for hours before the plane takes off. (2013 上海，43) because B. though C. until D. unless,7. Mr. Green cant go to the meeting _ he has a bad cold.(2013 北京，39)A. because B. unlessC. whether D. although 8. Mo Yans books have been sold out in many bookstores _ his winning of the Nobel Prize in Literature. (2013 四川宜宾)A. because B. sinceC. as D. because of,1. She was well paid, _ she did her work well.2. _ the earth is round, why do we not fall off?3. I did it _ they asked me to do it.4. I was late _ I didnt catch the bus.,as,Since,because,because,. 填入适当的引导词。,. 用because of 和方框中的词完成答句。,a car accident her illness its high price his broken leglast nights storm the heavy traffic,A: Why are you late? B: Im late _.2. A: Why didnt Sue come to school today? B: She didnt come to school today _.,because of the heavy traffic,because of her illness,3. A: Why was there no electricity this morning? B: There was no electricity this morning_.4. A: Why is there a traffic jam? B: There is a traffic jam _.5. A: Why dont you buy the vase? B: I dont buy the vase _.,because of last nights storm,because of a car accident,because of its high price,Homework,1. Review the grammar weve learned today.2. Finish the exercises in Learning English. 3. Preview Speaking on page 106.,
