I saw the boys playing football happily同义句I saw ( ) ( ) ( ) ( ) playing football happily

问题描述:

I saw the boys playing football happily同义句
I saw ( ) ( ) ( ) ( ) playing football happily

I saw (the)(boys)(who)(were)playing football happily. 将简单的动名词定语,改为定语从句,同时整个句子结构又是宾语从句。

I saw the boys playing football happily.
=I saw (that the boys were) playing football happily.