It當「虛主詞」的用法

英文文法： it 當虛主詞

你知道「it 」不光是代名詞，也能當「虛主詞」嗎？當英文句子中的主詞太冗長時，為了不讓句子頭重腳輕，就會用虛主詞 it 代替，使句子的段落重點更好明白，說者輕鬆聽者也容易！以下用法：

It 當虛主詞的句型：

It + beV + adj./N (+ for/of sb) + to V...

= V-ing... + beV + adj./N + (for sb).

It is necessary for basketball players to warm up properly before their games begin.

比賽開始前好好地暖身對籃球員來說是必要的。

It is embarrassing for most people not to remember the names of people they’ve met before.

對大多數人而言，不記得之前見過的人的名字很尷尬。

It was nice of you to bring me these flowers on my birthday.

你人真好，在我生日當天帶這些花給我。

It was silly of Kevin to forget his wallet at home.

凱文好傻，他把他的皮夾忘在家裡。