They did it by themselves怎样分主谓宾吖

They did it by themselves怎样分主谓宾吖
They did it by themselves怎样分主谓宾吖

They did it by themselves怎样分主谓宾吖
they 主语
did 谓语
it 宾语
后面是修饰成分,是状语.

they 主语
did 谓语
it 宾语
by themselves状语

主语 they谓did 宾it
希望对你有帮助啊