He is swimming .主谓
He is playing football.主谓宾
He ask him to go out.双宾语
The white dress makes her look pretty.宾补
The river becomes dirty.主谓表那再问你一下He is swimming 是不是主谓？He is swimming with his friends是不是主谓宾He is swimming with his friends at a pool是不是主谓双宾至于主谓宾宾补 我发现其中都有形容词 那 He is swimming with his friends at a clean pool是不是He isa swimmer 是不是主系表He is swimming 是主谓啊，那个主谓宾也是的楼主说的He is swimming with his friends at a clean pool不是宾补，虽然宾补的谓语动词后面接形容词，但是clean不是接在动词后面，而是地点的修饰语，所以不是宾补。宾补一般后面部分都可以看成是一个句子，就像The white dress makes her look pretty后面 her look pretty可以看成 she looks pretty，所以就不会和双宾语混淆了。至于主系表，里面的谓语动词如果充当的是表语就都是了，例如be动词、become等等，所以He isa swimmer就是主系表。呃……希望应该听懂吧。。。昨天后来下了，没来得及回答，赶得上么？