这个句子的主语是什么？

主语是he
宾语是to do his homework
谓语likes
to do 没什么,而是

to do his homework 是不定式充当宾语
名词也可充当宾语,例如:he likes football(football 是名字做句子的宾语)
希望对你有所帮助.

He likes to do his homework at school.
主语是he
宾语是to do his homework
谓语是likes
句子中的“to do”是 like to do sth.

He likes to do his homework at school.
主语是什么？ He
宾语是什么？ to do his homework
谓语是什么？ likes
句子中的“to do”是什么 动词不定式作宾语。

主 He
谓 do
宾 homework

主语是he
宾语是his homework
谓语是likes to do
to 没什么意思.do 是做的意思
因为Like 后面加动词的ing形式或者加to,再加动词
所以放了个to

at school.
主语是He
宾语是to do his homework
谓语是likes
to do是不定式