新倮标人教版课件系列 《高中英语》 选修(模块)6=31
新课标人教版课件系列 《高中英语》 选修(模块）6-3.1
The fourth period Learning about language-grammar G
The fourth period Learning about language-grammar
教学i的用法
教学it的用法
1做形式主语 It可以用作先行词作为句子的主语,而把句 子的真正主语移到后面去,可以移到后面 的主语是: (1)不定式 句子的谓语可以是 be+形容词; e.g. It is important to know your limitations. 知道自己的局限性是很重要的
1.做形式主语 It可以用作先行词作为句子的主语，而把句 子的真正主语移到后面去，可以移到后面 的主语是： （1）不定式。 句子的谓语可以是 ➢ be+形容词； e.g. It is important to know your limitations. 知道自己的局限性是很重要的
>be+名词; e.g. It is a good idea to have a little notebook handy.手边有个小笔记本是个好主义。 >be+介词短语; eg. It is against the law to do that.这样做是 违法的。 >其他类型的谓语 e.g. It gives me great pleasure to see the move观看电影让我很高兴
➢ be+名词； e.g. It is a good idea to have a little notebook handy.手边有个小笔记本是个好主义。 ➢be+介词短语； e.g. It is against the law to do that.这样做是 违法的。 ➢其他类型的谓语 e.g. It gives me great pleasure to see the movie.观看电影让我很高兴
(2)动名词 Ano good, no use, great fun, a new experience等名词作表语; eg. It is fun working for him.为他工作很有意 思 也可用某些形容词作表语; e.g. Do you think it is worthwhile quarrelling with him?你认为和他吵值得吗? 一些其他的谓语形式。 eg. Does it matter wasting a little money稍微 浪费一点钱行吗?
（2）动名词 ➢用no good,no use,great fun,a new experience等名词作表语； e.g. It is fun working for him.为他工作很有意 思。 ➢也可用某些形容词作表语； e.g. Do you think it is worthwhile quarrelling with him？你认为和他吵值得吗？ ➢一些其他的谓语形式。 e.g. Does it matter wasting a little money稍微 浪费一点钱行吗？
(3)主语从句 >可以是that引导的; e.g. It is strange that it hasnt been noticed before真奇怪,它以前没有引起注意 It is a wonder that he is still alive他居然 还活着,真是个奇迹。 It happened that the harvest was bad that year..碰巧,那年的收成不好。 It is said that there has an earthquake in Japan据说日本发生了地震
（3）主语从句 ➢可以是that引导的； e.g. It is strange that it hasn’t been noticed before.真奇怪，它以前没有引起注意。 It is a wonder that he is still alive.他居然 还活着，真是个奇迹。 It happened that the harvest was bad that year. 碰巧，那年的收成不好。 It is said that there has an earthquake in Japan.据说日本发生了地震
也可能是wh词引导的 e.g. It is still a question how many people are to come多少个人会来,还是个问题 It is no business of yours where I spend my summer我在哪儿过夏天,着不关你的事。 It remains to be seen whether it will do us harm or good.对我们有好处还是有害处,还 要等着瞧。 It was clear enough what he meant.他的意 思很清楚
➢ 也可能是wh-词引导的 e.g. It is still a question how many people are to come.多少个人会来，还是个问题。 It is no business of yours where I spend my summer.我在哪儿过夏天，着不关你的事。 It remains to be seen whether it will do us harm or good.对我们有好处还是有害处，还 要等着瞧。 It was clear enough what he meant.他的意 思很清楚
2作形式宾语。 当复合宾语中的宾语是不定式、 动名词、宾语从句时,往往把宾 语放在它的补足语后面,而用it 作形式宾语,放在宾语补足语之 前
2.作形式宾语。 当复合宾语中的宾语是不定式、 动名词、宾语从句时，往往把宾 语放在它的补足语后面，而用it 作形式宾语，放在宾语补足语之 前
为和他争吵没有用 I found it very interesting to study English.我发现学英语非常有趣 He made it clear that he was not interested in this subject.他非常清楚地表 示他对那门学科不感兴趣
e.g. I think it no use arguing with him.我认 为和他争吵没有用。 I found it very interesting to study English.我发现学英语非常有趣。 He made it clear that he was not interested in this subject.他非常清楚地表 示他对那门学科不感兴趣