Book-3-U2-Grammar-and-usage李德四

1、Grammar and usageNoun clauses introduced by question wordsEmpty subject itLi Desi学习目标学习目标1、掌握疑问词引导的名词性从句2、熟知it作形式主语的用法What makes them happy is not known to us.what引导的是什么从句？主语从句主语从句We can see that Yuyi and Peng xuanyi are skating.that引导的是什么从句？宾语从句宾语从句This is how we show respect(敬意敬意)for the heroes.ho

2、w引导的是什么从句？表语从句表语从句The suggestion that students should get on the bus one after another（依（依次）次） is good.that 引导的是什么从句？同位语从句同位语从句名词性从句引导词有哪些？名词性从句引导词有哪些？Conjunctions of Noun Clauses:连接词连接词连接代词连接代词连接副词连接副词what, which, who, whom, whosethat, whether，ifRevision常见的疑问词有：常见的疑问词有：what, which, who, whom, whose

3、 when, where, why, howwhen, where, why, howTask 1【观察思考】观察思考】指出下列句子中黑体字作何句子成分:1. Where he can find a good job after graduation greatly puzzles his parents. _2. No one knew how he solved the math problem. _3. He was ill. That is why he was absent from the meeting. _主语主语宾语宾语表语表语【归纳总结】【归纳总结】 what, where

4、, who/whom, whose, when ,where ,why , how 等特殊疑问词可以引导名词性从句，在句中充当 _ 语, _语和_语. 这时，what, which, who/whom, whose 称为连接_ 词，when ,where ,why , how称为连接_词。 主主 宾宾 表表 代代副副Exercises on page 28 AI always wondered (1)when I would get the English novel my parents had promised to give me. I finally got it today. (2)

5、What I always dreamt of has come true. It is really exciting! The difficulty is(3) how Im going to read the book without a dictionary. Looking up every new word will certainly be a waste of time. Miss Cheng always told us to guess the meanings of new words from the context. I used to wonder (4)why w

6、e should do this. I understand now, but the question is (5)what I should do if I cannot guess the meanings. I must talk to Miss Cheng about this tomorrow.Task 2 【观察思考】观察思考】 True or false? 1. The teacher asked Tom where had he been. （ ）2. I asked them when did they pick up their son at the airport. （

7、 ）3. What she did with the naughty boy surprised everybody. （ ）【归纳总结】归纳总结】疑问词引导的名词性从句使用 _ 语序。在任何情况下，特殊疑问词引导的名词性从句中，疑问词 _ 省略。(能不能) 陈述陈述不能不能FFTTask3【观察思考】【观察思考】1.Whether English will keep on changing in the future is easy to answer. （correct）= It is easy to answer whether English will keep on changing

8、 in the future. （preferable）2.To gain access to the Internet is important for us. （correct）= It is important for us to gain access to the Internet. （preferable）3. Traveling to Beijing takes up a lot of my time. （preferable）= It takes up a lot of my time traveling to Beijing. （correct）【归纳总结】【归纳总结】有时候

9、，为了更好地理解句子和保持句子的平衡，我们用_作形式_，代替 _ 和_。V-ing的形式我们更倾向于在句首用_(真正的主语或形式主语) it主语主语主语从句主语从句动词不定式动词不定式真正的主语真正的主语Task4: 【观察思考】【观察思考】1. It is a pity that you cant go with her.2. It is certain that he will get on well with them.3. It seems that he likes drawing.4. It is said that he has won the first prize.【归纳总结

10、】【归纳总结】在含有主语从句的复合句中，为了避免句子头重脚轻，使句子平衡, 常用it做形式主语。常用的固定结构：a._b._c._d._It is a pity that 遗憾的是遗憾的是It is certain that 肯定的是肯定的是It seems that 似乎是似乎是It is said that 据说据说It+be+名词词组+主语从句It+be+形容词+主语从句It+不及物动词+主语从句It+be+过去分词+主语从句Summary1.疑问词可以引导名词性从句，在句中充当主主语语, 宾宾语语和表语表语. 这时，what, which, who/whom, whose 称为连接连接

11、代代词词，when ,where ,why , how称为连接连接副副词词2.疑问词引导的名词性从句使用陈述陈述语序。在任何情况下，特殊疑问词引导的名词性从句中，疑问词不不能能省略。3.有时候，为了更好地理解句子和保持句子的平衡，我们用it作形式主语形式主语，代替主语从句主语从句和动词不定式动词不定式。V-ing的形式我们更倾向于在句首用真正的主语真正的主语。4. it做形式主语。常用的固定结构（1）It+be+名词词组+主语从句（2）It+be+形容词+主语从句（3）It+不及物动词+主语从句（4）It+be+过去分词+主语从句Part B Answers:(1)What (2) which(3) why （4）how(5) who (6) How(7) WhichSome proverbs related to noun clauses1.What glitters is not gold. 闪光的不一定都是金子。2.Children are what the mothers are. 耳濡目染，身教言传。 3.Dont claim to know what you dont know. 不要不懂装懂。 4.What ends well is well. 结果好，就一切都好。 5.There is a saying