牛津译林版英语 9上Unit5 grammar 课件(共25张PPT)

1、1. He loves the sounds of the rushing water and the blowing wind _, to him, the best music comes from nature.2. _ he had no musical instruments then, he made music with common objects like stones and paper.3. _ he likes the sounds of nature, Tan uses them a lot in his music.go Ready?becauseSinceAs I

2、 like him because his music makes me feel relaxed. I like Tan Duns music because he uses the sounds of nature a lot. I like Water best because it is very special.回答回答 because why 引导的疑问句引导的疑问句.使用使用 because 来引导原因状语从句来引导原因状语从句. Grammar A:When do we use “because” to give reasons?Look and answer:A: Why a

3、re you wearing a raincoat?B: Because its going to rain.A: Why does Mike go out?B: Because he wants to play basketball.A: Why does the boy eat the cake?B: Because he is hungry. I think.A: Why do they turn on the fan?B: Because it is too hot._ her daughter hadnt come back, _ she looked worried.Because

4、; / B. Because; soA.C. Though; but D. Thought; /because 引导原因状语从句不能和引导原因状语从句不能和so连用连用. Daniel has more questions about Tan Dun. He searched the Internet and made some notes. Look at his notes and answer his questions. Use because to introduce the reasons.Why was Tan Dun chosen to write music for the

5、Beijing Olympics? _2. Why does Tan like the sounds of nature? _ _Because he is a world-famous composer.Because he thinks the best music comes from nature.3. Why is Tan able to build a bridge between the East and the West? _ _4. Why do people think highly of Tans music? _ _Because he has successfully

6、 brought Chinese and Western music together.Because he has created a new type of musicmusic without boundaries.B. Giving reasons with since and as1.Since everyone is here ,lets start2.Since so ,I have nothing to say.3.Since you are wrong, you should say sorry.1.since侧重主句，意思是侧重主句，意思是“既然；由于；因既然；由于；因为为

7、”，表示，表示已知的、显然的理由已知的、显然的理由since 比比as语气稍强，且比语气稍强，且比as略微正式，它们引导的略微正式，它们引导的从句通常放在主句之前，有时也放在主句从句通常放在主句之前，有时也放在主句之后。不表示直接原因。之后。不表示直接原因。Since可用于省略可用于省略句，而其他连词不行。（见例句，而其他连词不行。（见例2） and 用来表示原因用来表示原因.但所表的原因是大家已经知道的但所表的原因是大家已经知道的.他们的语气比他们的语气比because要弱。要弱。Working out the rulesSince as 2.as 鉴于主从并重，从句说原因，主句说结果鉴于主

8、从并重，从句说原因，主句说结果 。1. As it is late, I must go .2. As you were not there , I left a message.as和和since的用法大体相同，表示附带说明的的用法大体相同，表示附带说明的“双方已知的原因双方已知的原因”或者理由不是很重要，或者理由不是很重要，但语气更弱，没有但语气更弱，没有since正式，常译为正式，常译为“由于，由于，于于”。例如：例如： As it is raining, youd better take a taxi. 既然在下雨，既然在下雨， 你最好乘出租汽车。你最好乘出租汽车。 As you ar

9、e tired, you had better rest. 既然累了，既然累了， 你最好休息一下。你最好休息一下。 和，与和，与一一样样Jack is as tall as his father. 杰克和他的父亲一样高。杰克和他的父亲一样高。 My pen is the same as yours. 我的钢笔与你的一样。我的钢笔与你的一样。作为作为As a writer，he was famous. 作为作家，他是很有名的。作为作家，他是很有名的。当当We came in as he opened the door. 他一开门，我们就进来了。他一开门，我们就进来了。因为，由于因为，由于I mu

10、st stop writing now, as I have rather a lot of work to do. 我此刻必须停笔了，因为我还有许多工作要做。我此刻必须停笔了，因为我还有许多工作要做。按照按照Remember, you must do everything as I told you.记住，你必须按我说的那样把每件事做好。记住，你必须按我说的那样把每件事做好。一一就就As soon as I get to Beijing, Ill write to you. 我一到北京，就给我一到北京，就给你写信。你写信。拓展拓展3. for 由于，表明附加理由（解释或推由于，表明附加理由（

11、解释或推断），为并列句，断），为并列句，for分句不放于句首分句不放于句首,语气最弱。语气最弱。1.He must be ill, for he is absent today。2.It must have rained last night, for the ground is wet. zxxk4. for与与 because, as, since的区别的区别The fuel must have been finished, _ the engine stopped.A. since B. as C. because D. forbecause, as, since表示因果，语气较强；表示

12、因果，语气较强；for引导的是并列分句，它只是对前面的引导的是并列分句，它只是对前面的分句加以解释，说明推断的理由，并且分句加以解释，说明推断的理由，并且后置后置。because since as 的用法区别的用法区别 He introduced me because I was new.I was new, so he introduced me. Since you are going, I will go, too. As it is raining, youd better take a taxi.引导词引导词意义意义位置位置because因为因为强调未知原因强调未知原因后接表示直接原

13、因的句子后接表示直接原因的句子多后置多后置so所以所以强调结果后接表示结果的句强调结果后接表示结果的句子子多后置多后置since既然既然表示已知显然的理由后接表表示已知显然的理由后接表示知道的原因的句子示知道的原因的句子常前置常前置as由于由于常前置常前置An art festival B1 Daniel decided to play the violin at the art festival since/as he is good at it.1. Daniel decided to play the violin at the art festival. He is good at i

14、t. _ _2. Kitty will dance at the song and dance show. She has to practise hard these days. _ _3. Sandy will design the posters for the art festival. She can draw very well. _ _ Since/As Kitty will dance at the song and dance show, she has to practise hard these days.Sandy will design the posters for

15、 the art festival since/as she can draw very well. Since/As some students love painting and taking photos, there will be a students art show. Since/As the art festival is open to all students and parents, everybody is welcome.out of breath breath的词性是名词，意思是呼吸。短语out of breath的意思是气喘吁吁，上气不接下气。breath的动词形

16、式时breathe，例如呼吸新鲜空气breathe fresh air，呼吸沉重breathe heavily。last last在文中的词性是动词，意思是持续。例如：这场雨会持续多久啊？ How long will the rain last?B2:Help Sandy complete her diary entry with because or since/as.becauseSince/AsSince/Assince/asbecausebecauseSince/As原因状语从句原因状语从句 (Adverbial Clause of Cause)1. because since as

17、for的用法区别的用法区别 He introduced me because I was new. Since you are going, I will go, too. As it is raining, youd better take a taxi. It must have rained last night, for the ground is wet.意义意义位置位置becausesinceasfor因为因为既然既然由于由于因为因为强调未知原因强调未知原因表示已知显然的理由表示已知显然的理由常用于推断、常用于推断、补充解释补充解释多后置多后置常前置常前置常前置常前置后置后置中考链

18、接中考链接( ) 1.Tony never spends money on books_ he doesnt like reading. A. but B. because C. though D. until( ) 2._ everyone is here, lets start our meeting. A. Since B. If C. But D. As( )3._the girl is 22, she takes care of her mother and cooks meals every day. A. If B. But C. Though D. AsBAD选择题：选择题：（

19、 ）1.Why was he late for school? _ he got up too late. A、Because B、SinceC、AsD、For （ ）2.Is David at school today？No, he is at home _he has a bad cold. A、because B、sinceC、asD、for （ ）3.It rained last night, _ the ground is wet. A. becauseB. sinceC. asD. for （ ）4. _ you are wrong, you should say sorry to

20、 him. A. As B. Since C. because D. For小试身手小试身手AADBMore exercises1.-Why are you late? -_(因为因为) I missed the early bus.2._( 因为）因为） illness, my uncle didnt go to work.3._ (由于）由于）the water here is polluted,even animals cannot drink it.4._(既然）既然）you are sick, you should have a good rest at home.BecauseBe

21、cause ofSinceAs1. 因为他太忙，所以他没去开会。因为他太忙，所以他没去开会。_ he was very busy, he didnt _ the meeting.2. 既然大家都在这儿，咱们就开始讨论这个话题吧。既然大家都在这儿，咱们就开始讨论这个话题吧。_ everyone is here, lets _ _ the topic.3. 由于我不擅长唱歌，我就没有参加歌舞表演。由于我不擅长唱歌，我就没有参加歌舞表演。_ I was not good at singing, I didnt take part in the song and dance show.4. 既然既然Tom病了，他今天就不跟我们去钓鱼了。病了，他今天就不跟我们去钓鱼了。_ Tom is ill, he is not going_ with us today.BecauseattendSincestartdiscu