what后面的名词用单数还是复数

what做主语时,后面的动词用一般用单数的较多。如果后面接的表语是名词，那么谓语be根据表语决定。

相关介绍

What you said is important.

What we do now is (to) study hard.

What we need is knowledge.

What they want are some books.