先行词是序数词或被序数词修饰时。

This is the third film that has been shown in our school this term.

youdao

当先行词中既有人又有物时。

Everything that should be done has been done.

youdao

玛丽本应获得第一名，真令人吃惊！先行词。

It is surprising that Mary should have won the first place.

youdao

犯这类错误的主要原因是把mybrother错当成了先行词。

She used to help my brother, who was very kind of her.

youdao

这是马克吐温所写的书中的一本。（先行词是books，因此动词应用were。）

This is one of the books which were written by Mark Twain.

youdao

这是马克吐温所写的书中的一本。（先行词是books，因此动词应用were。）

This is one of the books which were written by Mark Twain.

youdao