they的单数形式是he、she和it。例句：When he speaks, he talks sense.他言之必有理。She said that she couldn't come.她说她来不了啦。


英 [hi; iː; i; hiː]  美 [hi,iː,i,hiː] 
pron. 他

例句：

When he speaks, he talks sense. 

他言之必有理。

He didn't say he had company. 

他没说他有客人。

He said he might come tomorrow. 

他说他明天可能来。

He has claimed he can levitate. 

他声称他能飘向空中。

He convinced me he was right. 

他使我相信他是正确的。

He can leave anytime he wants. 

他可以在任何时间离开。

How he wished he had been there! 

他多么希望当时自己也在场！


英 [ʃi; ʃiː]  美 [ʃi,ʃiː] 
pron. 她（主格）

例句：

She has nobody she can turn to. 

她求助无门。

She doesn't work here, does she? 

她不在此地工作，对吧？

She knew she was close to death. 

她知道自己已濒临死亡。

She was widowed when she was 35. 

她35岁时就守了寡。

She said that she couldn't come. 

她说她来不了啦。

She let on that she was leaving. 

她透露说要离开。


英 [ɪt]  美 [ɪt] 
pron. [指无生命的东西、动物、植物]它；这；那
pron. 指已提到或将提及的事物、活动、经验、抽象观念等
pron. 在不分性别或情况不详时指代

例句：

It really isn't half bad, is it? 

这的确很不错，对吗？

I've had it. Let's call it a day. 

我受够了。我们今天就到这里吧。

It sounds a great idea. Go for it ! 

这听起来是个极好的主意。努力去实现吧！

It works, at least I think it does. 

它行，反正我认为它行。

Liz meant it as a joke but it fell flat. 

莉兹的本意是把它当作笑话来讲的，但没成功。

Bring it into the light so I can see it. 

把它拿到亮的地方，好让我看见。

It was just a one-off; it won't happen again. 

这事绝无仅有；不会再发生了。