宾语从句 (8)

1、Unit 2Section AGrammar FocusObject clauses with that, if and whether I think that theyre fun to watch. Mary thinks that the teams were fantastic. Bill wonders whether theyll have the sweet rice dumplings again next year. I wonder if its similar to the water festival of the Dai people in Yunnan Provi

2、nce.Read the sentences below, paying attention to the underlined parts.一、宾语从句的概念 在句子中起宾语作用的从句叫做宾语从句。 We know Mr Green teaches English. She asked if these answers were right.二、宾语从句三要素引导词（连接词）语 序时 态1. I hear (that) _. 2. He said (that) _. 3. The teacher told us (that) _ _. he will be back in an hour h

3、e missed us very much the earth moves由that引导的宾语从句注：that 在句中无词汇意义，在从句中不充当成分，在口语当中往往省略。around the sunObject clauses with thatThese planet will produce food and oxygen that we need to live on Mars.Scientists will develop plants that can grow on Mars.People think that humans on Mars have to wear special

4、 boots to make themselves heavier.We all know that Mars is a planet in the solar system.The journey to Mars could take only a very short time in space shuttles that travel at half the speed of light.Some scientists do not believe that the journey to Mars will be very comfortable.Which of the followi

5、ng sentences has an object clause?根据汉语句子的意思完成下列英语句子1. 我认为玛丽不回来了。 I dont think Mary _ _.2. 山姆给我说他准备去上海。 Sam told me that he _ _ for Shanghai.3.我想知道今天晚上还有没有去北京的火车。 I want to know _ there is a train to Beijing.willcome was leaving if / whether . if和whether引导宾语从句时，作“是否”讲，一般情况下，二者没有区别，可以换用。但if常用于口语中，whet

6、her比较正式。如： Millie asked if/whether he liked this sweater. 米莉问他是否喜欢这件羊毛衫。 The fisherman wants to know if/whether it will rain. 渔民想知道天是否会下雨。Object clauses with if and whether由if / whether引导的宾语从句. if和whether引导宾语从句时，要注意宾语从句三要素，即连词、语序和时态。由于if和whether连接的是一般疑问句，因此要注意把从句语序改为陈述句语序。如： Does Mr Zhao live in Roo

7、m 208? Could you tell me? Could you tell me if/whether Mr Zhao lives in Room 208? 其次要注意时态变化： 1. 若主句是一般现在时，从句用任何所需时态。如： He wants to know if / whether they had a good journey home. 他想知道他们回家旅途是否愉快。2. 若主句是一般过去时，从句则用跟过去相关的时态。即一般现在时变为一般过去时、现在进行时变为过去进行时、一般将来时为过去将来时、现在完成时态变为过去完成时。如： Did the train leave? She

8、 didnt know. She didnt know if / whether the train had left. 3.当宾语从句表示客观真理、科学原理、及自然现象时，从句的谓语动词不受主句的制约，采用一般现在时。e.g:The teacher told us that light travels faster than sound.He said that the sun is bigger than the earth. if和whether的区别二者在下列几种情况下不能换用：1. 宾语从句置于句首表示强调时，应用whether，不用if。如： Whether this is tru

9、e or not, I cant say. 这是否对，我不能说。2. 宾语从句与or not直接连用时，应用whether，不能用if。如： I dont know whether or not he will come tomorrow. 我不知道他明天是否来。3. 与动词不定式连用时，只能用whether。如： She cant decide whether to go to America. 她不能决定是否去美国。4. 从句作介词宾语时，只能用whether。如： I worry about whether I hurt her feeling. 我担心是否伤了她的感情。1. I don

10、t know if Mr. Wang _on a field trip. If he _ on a field trip tomorrow, please call me. A. goes; will go B. will go; goes C. will go; will go D. goes; goes 2. She asked me if I knew _. A. whose pen was it B. whose pen it was C. whose pen it is D. whose pen is it BB3. They wondered if the teacher _ us

11、 English the next term. A. would teach B. had taught C. will teach D. taughtAChoose the right answers.5. I havent decide _ Ill go out or stay at home. A. if B. when C. why D. whether6. I want to know _ he loves you. A. that B. what C. if D. whoDC4. The boy asked _ any noise from outside. A. whether

12、had I heard B. whether I had heard C. whether have I heard D. whether I have heardBAC 7. I wondered _ our teacher was going to attend our party. A. whether B. why C. where D. that 8. Id like to know _ or not. A. whether will he come B. whether has he come C. whether he will come D. if he will come改为

13、含宾语从句的复合句 1. Will the train arrive on time? I want to know. I want to know _ the train _ on time.2. Did Peter come here yesterday? Li Lei wants to know. Li Lei wants to know _ Peter _ here yesterday.will arriveif / whether came if / whether Complete the sentences.1. 我们不知道我们能否在火星上种植植物。 We are wonderi

14、ng _ _ on Mars.2. 你能告诉我是不是有许多人打算搬到火星上去吗？ Could you tell me _ to Mars?whether / if we canif / whether many peopleare going to movegrow plants3. 我不知道他在家洗不洗衣服。 I dont know _ any washing at home. 4. 我担心是否伤害了她的感情。 I am worried about _. whether or not he doeswhether I hurt herfeelings1. Uncle Wang came up

15、 to see _ there was anything wrong with the machine.2. The shop keeper asked my father _ or not he wanted to choose a big Christmas tree.if / whetherwhether3. I dont know _ to go or stay.4. _ that is true, what should we do?whetherIf5. _ they will ever become future Olympic champions only time will

16、tell. WhetherComplete the sentences with if / whether.( )1. I wonder _. Im afraid well be late. (2011山东青岛) A. how we can be on time B. what we are going to do C. why we get to school late D. if we will arrive at the meeting on time中考链接D( )2. Well plant trees tomorrow, and I dont know_ Tom will come

17、and join us. (2011天津) A. if B. which C. what D. whereA( )3. Do you know _ tomorrow? Sorry, I dont know. You may surf the Internet. (2011湖南湘潭)A. whether will it rain B. if it will rain C. whether does it rainB( )4.Mum, can we go to the art museum tomorrow? Sure. But first we should find out _. (2011广

18、西南宁市) A. what can we do B. where we can go C. how can we go there D. if it will be openD( )5. We dont know _ the meeting will be held soon. (2011内蒙古包头) A. when B. what C. whether D. since C( )5. Mary, could you tell me if your mother _ our school sports meeting tomorrow?I think she will come to scho

19、ol if she _ free.(2011山东滨州) A. will take part in; will be B. takes part in; is C. will take part in; is D. takes part in; will beC( )6. Do you know _ Guangzhou tomorrow? (2011肇庆)A. whether they leave for B. whether will they leave for C. whether they are leaving for C( )7. Ive decided to go to Londo

20、n next weekend. I was wondering _ you could go with me. (2011江西省) A. if B. when C. that D. whereA( )8.Do you think _ Xiao Ming can pass the high school entrance exam or not? Sorry, Ive no idea. (2011广西百色) A. that B. which C. if D. whetherD ( )9. He said that light _much faster than sound. (2011山东枣庄)

21、 A. has travelled B. went C. travels D. travelledC( ) 10. Over these years I have had a new understanding of _ people traditionally call a perfect person. (2012江苏淮安) A. how B. what C. who D. whomA( ) 11. Can you tell me in the future? (2012江苏宿迁) A. how life will be like B. how will life be like C. w

22、hat life will be like D. what will life be likeC( ) 12.Do you know _? At the end of July. (2012江苏连云港) A. how soon is your sister running back home B. how often Nancy from her pen friend C. when the London Olympic Games will be held D. when will the new computer game come outC( ) 13. -Peter, is there anything else you want to know about China? -Yes, I am still wondering _. (2012江苏南京) A. how is Chinese paper cut made B. how was the Great Wall built in ancient times C. why the Chinese people like to play the dragon