高中阶段It常用句型解析及运用
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一、It作形式主语
代替不定式,常用于下列结构:
It+ be+ adj./ n. +( for sb )to do sth;
It+ be+ adj. +of sb to do sth
It takes +sb+一段时间+ to do
①It is important for us to master a foreign language.对于我们来说,掌握一门外语是十分重要的。
②It is very kind of you to help me with my English.你帮我学英语,真是太好了。
③It will take about two days to drive to Shanghai.开车去上海大约要两天的时间。
代替动名词,常用于下列句型中:
It is no use doing sth. 做……没有用。
It is no good doing sth. 做……没好处
It is fun doing sth. 做……有趣
①It’s no use crying over spilt milk.覆水难收。
②It’s no good eating some fast food.吃快餐是没有好处的。
③It’s great fun jumping into the swimming pool in summer.夏天跳进游泳池里游泳是件有趣的事。
代替that从句,常用于下列句型中:
It be +adj./ n. +that从句
It be +过去分词+ that 从句
It seems / appears / happens / turns out that 从句
It occurred to sb+ that从句
①I don’t know the restaurant, but it’s said that it’s quite a good one.
我不知道这家饭馆,但听说相当不错。
②It is clear that he has made a mistake. 很明显他犯了一个错误。
③It turns out that we’ll have a happy, peaceful festival.结果是我们又将度过一个欢乐祥和的节日。
④It occurred to me that I had left the key at home.我突然想到我把钥匙落在家里了。
二、It 作形式宾语
1.当宾语是动词不定式、动名词、宾语从句,且其后有宾语补足语时,为了保持句子结构的平衡,通常用it作形式宾语,而将真正的宾语置于句末。常用it作形式宾语的动词有:believe相信,find发现,feel感觉,think认为,guess猜想,discover发现,notice注意到,make使……,让……等。
①I don’t think it possible to master a foreign language without much memory work.我认为要掌握一门外语而没有大量的记忆是不可能的。
②I feel it hard to persuade my father to give up his plan.我觉得说服父亲放弃计划很难。
③He makes it a rule to keep a diary every day.写日记成了他每天的习惯。
④Don’t take it for granted that all those who get good grades in the entrance examination will prove to be most successful. 不要认为那些在入学考试中考得高分的`就是最成功的人。
2.某些及物动词或短语不能直接加宾语从句,此时须用it作虚设宾语,然后接宾语从句,此种用法常用于like,dislike,hate, appreciate, depend on等后。
①I hate it when people talk with their mouths full.我讨厌人说话时嘴里含着食物。
②I like it when you kiss me.我喜欢你吻我的时候。
代替不定式,常用于下列结构:
It+ be+ adj./ n. +( for sb )to do sth;
It+ be+ adj. +of sb to do sth
It takes +sb+一段时间+ to do
①It is important for us to master a foreign language.对于我们来说,掌握一门外语是十分重要的。
②It is very kind of you to help me with my English.你帮我学英语,真是太好了。
③It will take about two days to drive to Shanghai.开车去上海大约要两天的时间。
代替动名词,常用于下列句型中:
It is no use doing sth. 做……没有用。
It is no good doing sth. 做……没好处
It is fun doing sth. 做……有趣
①It’s no use crying over spilt milk.覆水难收。
②It’s no good eating some fast food.吃快餐是没有好处的。
③It’s great fun jumping into the swimming pool in summer.夏天跳进游泳池里游泳是件有趣的事。
代替that从句,常用于下列句型中:
It be +adj./ n. +that从句
It be +过去分词+ that 从句
It seems / appears / happens / turns out that 从句
It occurred to sb+ that从句
①I don’t know the restaurant, but it’s said that it’s quite a good one.
我不知道这家饭馆,但听说相当不错。
②It is clear that he has made a mistake. 很明显他犯了一个错误。
③It turns out that we’ll have a happy, peaceful festival.结果是我们又将度过一个欢乐祥和的节日。
④It occurred to me that I had left the key at home.我突然想到我把钥匙落在家里了。
二、It 作形式宾语
1.当宾语是动词不定式、动名词、宾语从句,且其后有宾语补足语时,为了保持句子结构的平衡,通常用it作形式宾语,而将真正的宾语置于句末。常用it作形式宾语的动词有:believe相信,find发现,feel感觉,think认为,guess猜想,discover发现,notice注意到,make使……,让……等。
①I don’t think it possible to master a foreign language without much memory work.我认为要掌握一门外语而没有大量的记忆是不可能的。
②I feel it hard to persuade my father to give up his plan.我觉得说服父亲放弃计划很难。
③He makes it a rule to keep a diary every day.写日记成了他每天的习惯。
④Don’t take it for granted that all those who get good grades in the entrance examination will prove to be most successful. 不要认为那些在入学考试中考得高分的`就是最成功的人。
2.某些及物动词或短语不能直接加宾语从句,此时须用it作虚设宾语,然后接宾语从句,此种用法常用于like,dislike,hate, appreciate, depend on等后。
①I hate it when people talk with their mouths full.我讨厌人说话时嘴里含着食物。
②I like it when you kiss me.我喜欢你吻我的时候。
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