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1、如有侵权，请联系网站删除，仅供学习与交流It作形式主语的几大基本句型【精品文档】第 3 页“It”作形式主语的几大基本句型2011-06-07 22:27:53|分类： 语法归纳 |标签： |字号大中小订阅 Its +形容词/名词+that +从句It is necessary that you train yourself before the walk. It is important that you have your own support team.It was a pity that he lost the game.Its a pity that you missed the
2、exciting football match.Its +形容词+(for sb) +to do sthIt is difficult to walk through eight country parks.It is useful to have support teams.It is important for him to finish it in ten hours.It is necessary for people to learn team spirit.特别提醒：该句型的否定结构为Its +形容词+(for sb) +not +to do sthIt is very impor
3、tant not to give them too much food. (7B 100)It is very polite not to speak loudly in public. 该句型有时可以与It is + adj. + that从句的句型互换使用，意思不变。如：It is necessary for you to train yourself before the walk.= It is necessary that you will train yourself before the walk.Its +名词+to do sthIts everyones duty to ob
4、ey the law.It is not a good habit to stay up too late.As a student, it is bad manners to come late to class.It is my turn to clean the blackboard.It takes sb +some time to do sthIt took us two hours to set up the stage.It seems that +从句It seemed that he didnt tell the truth.Its +过去分词+从句惯用句型有：It is said that(据说), It is reported that(据报道), It is believed that(大家相信), It is hoped that(大家希望), It is well known that(众所周知), It is thought that(大家认为), It is suggested that(据建议)等。It is reported that 16 people were killed in the earthquake.