he comes from China和He is from China分别是主谓宾结构还是主系表结构还是主谓结构?

he comes from China和He is from China分别是主谓宾结构还是主系表结构还是主谓结构? He seems to be happy是主谓宾结构还是主谓表结构,分析一下句子成分 这是主谓宾结构,还是主谓宾加宾补结构 英语高手速进：：he is cooking.是主系表结构,还是主谓宾结构? He is working hard.是主谓宾结构吗?谓语和宾语分别是什么? 那He comes from China 这句话China是介词宾语还是介宾短语 求救!I come from china.这句话是主系表还是主谓宾的句子?系动词里面有come这个词.如果是主系表结构, knowledge is power是主系表,主谓宾,还是主谓结构? where is he from?he is from china.此句的划线部分是from china还是china where is he from? he is from china.此句的划线部分是from china还是china where is he from?he is from china.此句的划线部分是from china还是china, 什么是什么的句式是主谓结构还是主谓宾?