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1、Grammar学会使用学会使用 because, since & as 表达原因。表达原因。学会使用新词汇学会使用新词汇: because, since, as, highly, breath and lastShow studying aims highlybreathout of breathlastadv. 高度地；高地高度地；高地n. 呼吸呼吸上气不接下气上气不接下气vi. 持续持续Words review1. He loves the sounds of the rushing water and the blowing wind _, to him, the best music
2、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.becauseSinceAs1. because表示直接原因，其语气最强。常表示直接原因，其语气最强。常用来回答用来回答why的提问。的提问。 I stayed at home because it rained. 因为下雨我呆在家
3、里。因为下雨我呆在家里。 Because Lingling was ill, she didnt come to school. 玲玲因病没有上学。玲玲因病没有上学。 Why is she absent? Because she is sick. 她为什么缺席？她为什么缺席？ 因为她病了。因为她病了。 1.Why was Tan Dun chosen to write music for the Beijing Olympics? Because he is a world-famous composer.2.Why does Tan like the sounds of nature? Be
4、cause he thinks the best music comes from nature.3.Why is Tan able to build a bridge between the East and the West? Because he has sucessfully brought Chinese and Western music together.4. Why do people think highly of Tans music? Because he has created a new type of music-music without boundaries.2
5、. since显然的或已为人所知的理由，常译显然的或已为人所知的理由，常译为为“因为因为”、“既然既然”，语气比，语气比because稍弱，通常置于句首。稍弱，通常置于句首。 Since he asks you, youll tell him why. 他既然问你，那就告诉他为什么吧。他既然问你，那就告诉他为什么吧。 Since everyone is here, lets start. 既然大家都到齐了，我们就出发吧！既然大家都到齐了，我们就出发吧！ Since I understood very little Japanese, I couldnt follow the conversat
6、ion. 我日语懂得不多，因而听不懂对话。我日语懂得不多，因而听不懂对话。 3. as表示的表示的“原因原因”是双方已知的事实或显是双方已知的事实或显而易见的原因，或者理由不是很重要，含而易见的原因，或者理由不是很重要，含义与义与since相同，但语气更弱，没有相同，但语气更弱，没有since正正式，常译为式，常译为“由于，鉴于由于，鉴于”。 We all like her as she is kind. 我们都喜欢她，因为她善良。我们都喜欢她，因为她善良。 As I had a cold, I was absent from school. 因为我感冒了，所以没去上课。因为我感冒了，所以没去
7、上课。 As Xiaowang was not ready, we went without him. 由于小王没有准备好，我们只好不带他去由于小王没有准备好，我们只好不带他去了。了。 An art festival 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 it. _ _2. Kitty will dance at the song
8、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 the art festival since/as she can dra
9、w 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.原因状语从句原因状语从句 (Adverbial Clause of Cause)1. because since as for的用法区别的用法区别 He introduced me because I was new. Si
10、nce 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for：并列连词，表示对前一分句补充说明，：并列连词，表示对前一分句补充说明，放在句末。放在句末。 例：一定是
11、清晨了，因为鸟儿在叫。例：一定是清晨了，因为鸟儿在叫。 It must be morning for the birds are singing. 要下雨了，因为天气越来越暗了。要下雨了，因为天气越来越暗了。 It will rain, for its getting dark。 Help Sandy complete her diary entry with because or since/as.becauseSince/AsSince/Assince/asbecausebecauseSince/As1. 高度评价高度评价 think highly of .2. 学生艺术展学生艺术展 a
12、students art show3. 交通繁忙交通繁忙 too much traffic4. 快速走进剧院快速走进剧院 hurry into the theatre5. 变得无聊变得无聊 get bored 6. 在唱歌跳舞表演节目上在唱歌跳舞表演节目上 at sing and dance show7. 世界著名的作曲家世界著名的作曲家 a world- famous composer8. 上气不接下气上气不接下气 out of breath9. 歌剧持续一个半小时。歌剧持续一个半小时。 The opera lasted one and a half hours 10. 对所有师生开放对所有
13、师生开放 be open to all students and parents.11. 把把.融合在一起融合在一起 bring . together 12. 欢迎每一位。欢迎每一位。 Everyone is welcome.13. 创造一种新型音乐创造一种新型音乐 create a new type of music 14. 被选来写音乐被选来写音乐 be chosen to write music 15. 免费的歌剧票免费的歌剧票 free tickets to an opera 16. 在艺术节上拉小提琴在艺术节上拉小提琴 play the violin at the art festi
14、val 17. 当我们到的时候，当我们到的时候，Kitty已经在那儿。已经在那儿。 When we arrived ,Kitty had been there. 18. 过了一会儿，我们看见过了一会儿，我们看见Amy跑向我们。跑向我们。 After a while , we saw Amy running towards / to us .Whats your favourite art form? Why ? Remember to use because, since or as when you give reasons.1. Mo Yans books have been sold o
15、ut _winning the Nobel Literature Prize. A.because B. since C. as D. because of 2. -Could you tell me why is the street crowded with so many people? -_they are waiting to watch the boat races. A. Because B. since C. as D. for 3. Our English has improved a lot _ three years ago. A. because B. since C.
16、 as D. before4. _ he got late ,_ he was late for school. A. Because ,so B. Though ,but C. / , so D. Because , /翻译：翻译：1.汤姆没上学，因为他病了。汤姆没上学，因为他病了。Tom didnt go to school because he was ill .2. 你为什么没有去公园？你为什么没有去公园？ 因为我得照看我妹妹。因为我得照看我妹妹。-Why didnt you go to the park ?-Because I had to look after my sister.
17、翻译：翻译：3.既然在下雨，你最好带雨伞。既然在下雨，你最好带雨伞。Since / As it is raining ,you d better take an umbrella with you .4. 由于没钱，我不能买食物。由于没钱，我不能买食物。Since / As I have no money , I cant buy food.5. 我昨天有空，所以给你写信。我昨天有空，所以给你写信。Since / As I was free yesterday , I came back quickly.I was free yesterday,so I came back quickly.1. Review the Grammar.2. Make some sentences using because, since and as. 3. Remember the phrases.Homework
