7.it的虚指用法主要指it作形式主语或形式宾语及用以构成强调句型的用法。其中it作形式主语和形式宾语的主要句型如下:
用It作形式主语的句型:
(1)It is adj.+ to do sth.
It is difficult to translate this article.
翻译这篇文章很难。
(2)It is adj. + for/of sb.+ to do sth.
It is important for us to learn English.
学习英语对我们很重要。
It’s kind of you to help me.
你帮助我真是太好了。 模块 3 │ 题型探究
(3)It is up to sb. to do sth.“应由某人负责”或“……是某人的职责”。
It’s up to you to decide whether to take the job or not.
接不接受这份工作由你自己定。
(4)It is adj.+ that-clause
It is important that we should pay close attention to grain. 关注粮食对我们很重要。
(5)It is (no) good/use/useless + doing sth.
It is no use trying again = It is of no use to try again.
再试也没用。 模块 3 │ 题型探究
(6)It is worthwhile + doing sth./to do sth.
It is worthwhile spending/to spend much time on it.
在这件事上花时间是值得的。
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