U7Grammar(修改后)

1、Adverbial clauses of reasonI am going to North Country Park because I want to go cycling.Read the following sentences and underline the conjunction(連詞連詞) in each sentence.I am going to North Country Park as I want to go cycling.I am going to North Country Park since I want to go cycling.語(yǔ)法解析：語(yǔ)法解析：be

2、cause, as, since這幾個(gè)詞是表示這幾個(gè)詞是表示“原因原因”的連的連詞，語(yǔ)氣由強(qiáng)到弱依次為詞，語(yǔ)氣由強(qiáng)到弱依次為because since as, 它們均為從屬連詞。它們均為從屬連詞。1.because表示直接原因，它所指導(dǎo)的原因通常表示直接原因，它所指導(dǎo)的原因通常是聽(tīng)說(shuō)人所不知道的，其語(yǔ)氣最強(qiáng)。常用來(lái)回是聽(tīng)說(shuō)人所不知道的，其語(yǔ)氣最強(qiáng)。常用來(lái)回答答why引導(dǎo)的問(wèn)句，一般放于主句之后，也可引導(dǎo)的問(wèn)句，一般放于主句之后，也可以單獨(dú)使用。以單獨(dú)使用。 I stayed at home because it rained.因?yàn)橄掠辏驗(yàn)橄掠辏晕掖粼诩依?。所以我呆在家里?. since

3、側(cè)重主句，從句表示顯然的或已為人所側(cè)重主句，從句表示顯然的或已為人所知的理由，常譯為知的理由，常譯為“因?yàn)?，既然因?yàn)?，既然”，語(yǔ)氣比，語(yǔ)氣比because稍弱，通常置于句首，表示一種含有勉稍弱，通常置于句首，表示一種含有勉強(qiáng)語(yǔ)氣的原因。強(qiáng)語(yǔ)氣的原因。 Since everyone is here, lets start.既然大家都既然大家都到齊了，咱們開(kāi)始吧。到齊了，咱們開(kāi)始吧。3. as是常用詞，它表示的是雙方已知的事實(shí)或顯是常用詞，它表示的是雙方已知的事實(shí)或顯而易見(jiàn)的原因。含義與而易見(jiàn)的原因。含義與since相同，但語(yǔ)氣更弱相同，但語(yǔ)氣更弱，沒(méi)有，沒(méi)有since正式，常譯為正式，常譯為“由

4、于，鑒于由于，鑒于”，從，從句說(shuō)明原因，主句說(shuō)明結(jié)果，主從并重。句說(shuō)明原因，主句說(shuō)明結(jié)果，主從并重。 We all like her as she is kind. 我們都喜歡她，我們都喜歡她，因?yàn)樗屏?。因?yàn)樗屏?。原因狀語(yǔ)從句Adverbial clause of reason Main clause adverbial主句狀語(yǔ)（1）because引導(dǎo)的原因狀語(yǔ)從句表示的因果關(guān)系語(yǔ)氣最強(qiáng)，常用來(lái)回答why提出的問(wèn)題。如： I didnt go because I was afraid.（2）as 引導(dǎo)的原因狀語(yǔ)從句語(yǔ)氣最弱，它所表示的原因只是對(duì)結(jié)果的附加說(shuō)明，可位于句首或句末。如：I le

5、ft a message as Jim wasnt here. （3）since 引導(dǎo)的原因狀語(yǔ)從句語(yǔ)氣次于because， 常表示稍加分析便能得出來(lái)的原因，或人們已知 的事實(shí)，意為“既然；鑒于”，常置于句首。如： Since the weather is so bad, we have to delay our journey. Adverbial clause of reason Main clauseBecause AsSinceno one else saw these aliens,I refuse to believe you.We can also put the adverbi

6、al clause of reason after the main clause. Main clause Adverbial clause of reasonbecauseas since no one else saw these aliens.I refuse to believe youThings to rememberWhen we put the adverbial clause of reason at the beginning of the sentence, we often separate it from the main clause with a comma(,

7、).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. 1 （because）Tina was sure that something landed in the forest near the hills because she heard a loud noise last ni

8、ght.2 （as）3（Because）4 （Since） Since no one else saw these aliens, our father refused to believe us. Because an alien saw us and made a terrible noise, we ran away. Tina and I hid behind some bushes as we heard some voices speaking a strange language. They went to the forest They went to the forest b

9、ecause of because of their curiosity.their curiosity. Tina woke up at midnight Tina woke up at midnight because of because of a loud noise.a loud noise. She decided to explore the forest She decided to explore the forest because of because of it.it. because of curiosity midnight decide to explore因?yàn)椋?/p>

10、由于好奇心午夜；子夜決定做探索Work out the ruleWe can use a noun, a noun phrase or a （subject pronoun/object pronoun）after because ofbecause of.Write sentences about the story on page 99 by using because of.1. Tina was surprised/the yellow light in the sky Tina was surprised because of the yellow light in the sky.

11、2. The aliens landed on this planet/an accident The aliens landed on this planet because of an accident.3. The children ran away from the forest/the aliens The children ran away from the forest because of the aliens.4. Their dad was not sure about the childrens story/the writing on the piece of pape

12、r Their dad was not sure about the childrens story because of the writing on the piece of paper. because 和和 because of 的區(qū)別的區(qū)別because of 和because 的意思都是“因?yàn)椤保鋮^(qū)別為：because of 后面接名詞或名詞短語(yǔ)，because后面接從句。請(qǐng)對(duì)比：They didnt go to the museum because of the rain. (rain是名詞)They didnt go to the museum because it rain

13、ed. ( it rained是句子)他們因?yàn)橄掠隂](méi)去博物館。選用because，since或as填空。1. Why dont you come to have dinner now? _ I am busy with my work.2. _ it was raining, he took a bus.3. _ I had a cold yesterday, I was absent from school.As / Since / BecauseBecauseSince / As / Because選擇最佳答案填空。( )1. I called the police _ the terri

14、ble noise.A. because of B. becauseC. since D. as( )2. _ Im very tired, I am going to bed early.A. Until B. As C. Though D. While( )3. _ no one knows the truth, we dont believe what he said.A. Whether B. WhenC. While D. Since( )4. We believe there are aliens _ these photos of UFOs.A. since B. becauseC. as D. because ofDABD根據(jù)中文意思完成句子。1. 因?yàn)橄掠?，運(yùn)動(dòng)會(huì)延期了。The sports meeting was put off _ _ the rain.2. 你既然錯(cuò)了，就