题目内容：

complain about后可加一个句子么

优质解答

不可以.
He complains about the noises made by the neighbors.
He complained about doing the work without pay.
请及时采纳.谢谢!

追问：

那这样complain about where they are seated is too big or toosmall是错的了？

追答：

是错的。 要改为 complain about where they are seated being too big or too small complain that where they are seated is too big or too small