什么词谓语动词用单数

1)名词性从句及不定式、动名词作主语时，谓语动词一般用单数形式。

【例如】

To finish the work in advance is what he wants.

Smoking cigarettes is dangerous to your health

What seems easy in theory is difficult in practice.

What caused the accident is a complete mystery.

但是，what引导名词从句作主语时，其表语是复数形式时，系动词也可以是复数形式。

【例如】

What we badly need here are qualified teachers.

2)当主语是单数，后面跟着由including, with, together with, along with, like, in addition to, as well as, rather than, but, except, more than, accompanied by等连接的短语时，谓语动词用单数。

【例如】

Mary as well as her sister likes listening to music.

Doctor Richards, together with his wife and three children, is to arrive on the afternoon flight.

My best friend rather than anyone else has got the first prize in the speech contest.

3) one, one of, every, everyone, everybody, each, many a, either, neither, no one, nobody, anyone, a