想要取得雅思写作高分，考生们要掌握不同的写作技巧，其中，句式多样性就是一个不错的办法。今天，前程百利小编为大家分享雅思写作中你应该用到的it做不定式形式主语，希望考生能够从中有所收获，并在自己的作文中灵活应用以便达到良好的效果。
(一) 什么是形式主语
作为形式主语的it并无实际语义，是为满足语法上的需要，避免句子头重脚轻，它代替的是句子的逻辑主语。
(二) 形式主语it所在的句型类别
1、作不定式的形式主语
(1) 句型
It is + a pity/a pleasure + to do sth.
It is + wrong/right/wise/cruel/naughty/selfish + of sb. + to do sth.
It is + necessary/hard/important/difficult/possible/common + for sb. + to do sth.
(2) 雅思范文写作实例
A. Beyond this，it is also of paramount importance to use theaters and museums as the：“social classroom” of culture and history education.
B. I think it is by no means pointless，in any way，to try to keep traditions alive with technology. (Cambridge 3， P162， Task 2)
C. It is difficult to say who has the right to judge whether children working is：“wrong” or：“valuable”. (Cambridge 3，P164，Task 2)
D. …， it is important to remember that children need to develop skills other than intellectual ones and …(Cambridge 3，P168，Task 2)
E. Finally，I think that it is also important to remember that children need to relax as well as work …(Cambridge 3， P168，Task 2)
F. Because people interpret happiness for themselves in so many different ways，it is difficult to give ang definition that is true for everyone. (Cambridge 4，P165，Task 2)
G. It is quite common these days for young people in many countries to have a break for studying after graduation from high school. (Cambridge 5，P165，Task 2)
H. They may think that it is better to continue in a particular job， or to do sth completely different from from a university course. (Cambridge 5，P165，Task 2)
(3) 学生写作实例
实例1：
Many people，if not most，are strong believer in the claim that regard children go to work as completely wrong，while others hold the opposite opinion.
修改建议：
It is completely wrong for children to go to work.
实例2：
They have to complete their homework conscientiously within limited time and difficult to discover the problems in studies.
修改建议：
Thus it is difficult to discover their problems in study.
实例3：
College graduates are difficult to find jobs.
修改建议：
It is difficult for college graduates to find jobs.
实例4：
Parents realise the needs of their children is extremely important.
修改建议：
It is extremely important for parents to realise the needs of their children.
It is extremely important that parents realise the needs of their children.
以上就是雅思写作中你应该用到的it做不定式形式主语的详细内容，考生们可以在平时练习时多运用这样的句式表达，熟练掌握，一定会带来不一样的效果。希望考生们能够取得满意的雅思成绩，更多雅思备考经验我们将会陆续为大家更新，欢迎咨询我们的热线电话400-890-6000。
