Question

这几个英语句子的分析（帮忙一下，急急急！！！）

说出we和work在句中的成分
We always work hard at English

he,said,he didn't come的成分
He said he didn't come

they,help,each other,的成分
They help each other

what,you,buy的成分
What didn't you buy

she,watched,her daughter,的成分
She watched her daughter playing the piano

Answer 1

1.we作主语,work作谓语.
2.he作主语,said作谓语,he didn't come是宾语从句,充当said的宾语.
3.they作主语,help作谓语,each other作方式状语.
4.此句为疑问句,如果变成陈述句应是:you didn't buy
what.what是疑问词,在这里充当句子宾语,you作主语,buy作谓语.
5.she作主语,watched作谓语,her daughter作直接宾语.

Answer 2

1.主语，谓语
2.主句，从句
3.主语，谓语，状语
4.疑问代词，主语，谓语
5.主语，谓语，宾语，弹钢琴是宾语补足语，（宾补）