20xx春牛津譯林版英語(yǔ)九下unit4lifeonmarsgrammar-展示頁(yè)
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【正文】 and disadvantages of living on Mars Hom e wor k。 He says they have already returned. He says that he was born in 1985. She asks whether I am reading or not. 2. 主句如果是一般過(guò)去時(shí)，從句一般用過(guò)去時(shí)態(tài)的某種形式 , (一般過(guò)去時(shí)，過(guò)去進(jìn)行時(shí)，過(guò)去將來(lái)時(shí)，過(guò)去完成時(shí) )。 Eg. Let me know whether you can e or not. I don?t know whether to accept or refuse. I worry about whether I hurt her feelings. Whether it is true or not, I cannot tell. 賓語(yǔ)從句一定要注意 時(shí)態(tài)呼應(yīng) 。(Unit 2 Grammar) Conclusion 賓語(yǔ)從句要用陳述句語(yǔ)序。 (2) if, whether引導(dǎo)一般疑問(wèn)句語(yǔ)意。如： John says (that) he has tried his best and that everything will get better. 閱讀下列句子，學(xué)著用所給結(jié)構(gòu)來(lái)表達(dá)觀點(diǎn)： I (don?t) believe that … I (don?t) think that … In the future we will live on Mars. Mars is the best pla for living other than Earth. The future life on Mars will be interesting. The food on Mars will be as tasty as the food on Earth. Observe the sentences Nobody is sure if/whether these plants could produce enough water. We are wondering if/whether we can grow plants on Mars. We?re not sure whether this has made him some enemies. We suppose that the victim knew his attackers. (9A, unit 6) I often doubt whether it is worth working so hard. (9A, unit 3) You can ask him if/whether he?ll lend you some money. She doesn?t know whether to answer it or not. Can you tell us if/whether it snows in winter in Australia? Object clauses introduced by ?if? or ?whether? We can use “if” or “whether” to introduce an object clause when it expresses a “yes/no” question. In that case, we often use the same word order as in a statement. Does he live in that house? ( She asked me ) Have you finished your homework? ( I want to know) She asked me if/whether he lived in this house. I want to know if you have finished your homework. Daniel’s questions C1 Use if or whether to make object clauses. 1. Are you certain if/whether transport on Mars will be much better than on Earth? 2. Can you tell me if/whether gravity is a problem for the early settlers on Mars? 3. Do you know if/whether it takes very long to travel from Earth to Mars? 4. Can you tell me if/whether many people are going to move to Mars? 5. Do you know if/whether the USA sent a space robot onto Mars last year? 賓語(yǔ)從句在句子中作及物動(dòng)詞或介詞的賓語(yǔ) ,從句放在主句之后 ,前后不用逗號(hào)分開(kāi)。
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