宾语从句讲解课件课件.pptVIP

第四节 宾语从句;1）What are the strongest days of the week? Saturday and Sunday—all the other days are weak(week) days. 2) Why is the letter “R” like Christmas Because it comes at the end of December. 3) What time is it when a pie is divided among four friends? A quarter to one.;;什么叫名词性从句？; 名词性从句 noun clause;What kind of clauses are they?;;;He asked ;Am I taller than you?;1. Tom said. He is reading a book. → 2. He asks me. Are they playing a game? → 3. Where is the hospital? He told me. → 4.Who bought the pen? He wondered. →;注意：特殊疑问词在句中作主语，变为宾语从句时语序不变（时态应作相应变化）。如： ;Exercise;5. He said that they __________ members of the Party since 1948. (be) 6. He asked what they ____________ at eight last night. （do) 7. The teacher told his class that light _________ faster than sound. (travel) 8. I think you _____________ about the relay race now. （talk) 9. I didn’t know whom the letters ______from. (be);1. I don’t know ___________ I’ll be free tomorrow. 2. I don’t know __________ or not I’ll be free tomorrow. 3. The question is __________ this book is worth writing.;1).whether和if都可以引导宾语从句 a.当whether后紧跟or not时,不用if. eg: I don’t know whether or not he will come. 注意：如果or not放在whether所引导的从句句尾，则可以用if来替换。 　　I don’t know whether/if he will come or not. b.介词后面的宾语从句不能用if. eg: I worry about whether I hurt her feeling.;c.在强调任意选择时,用whether…or,此时不用if替换whether。 　He asked me whether I wanted to go there by train or by bus. 他问我是想乘火车还是坐公共汽车去那里。 　　注：whether和or一起还有“不管”之意,引导让步状语从句。 　　Whether he drives or takes the train, he will be here on time. 不管开车来还是乘火车来，他都会准时到。;d. 虽引导宾语从句，但为了强调宾语部分，也可把从句放在句首，此时只用whether不用if。 　　Whether he will come I am not sure. e. 句子中有if引导的条件句，如再有表示“是否”的宾语从句，用whether不用if。 　　He asked me whether I’d move to New York if I got the job. f. 容易产生歧义时用whether不用if来表示“是否”。 　　Please let me know if you need help. 如果你需要帮助请告诉我。或：请告诉我你是否需要帮助。对比：Please let me know whether you need help.请告诉我你是否需要帮助。 g. 如果宾语从句为否定句时，则只用if不用whether。 　　I don’t know