Question

I asked him to do it。句子成分？

Answer 1

I asked him to do it .

我要 （让 ）他做这件事 。

ask sb. to do sth. 要求某人做某事

句子结构：主 谓 宾 宾补

I 主语 ， asked 谓语 ， him 宾语 ，

to do it. 不定式短语 作宾语him的补足语。