指出下列句子中不定式所充当的句子成分！

Question

1.He ran to welcome his father.
2.Do you have anything to ask?
3.You have to work hard to pass your exam.
4.To do that is foolish.
5.It is not right to look down upon others.
6.She decided to study English.
7.Carol told us to turn off the light before we left.
8.Children love to listen to fairy tales.
9.His is the first person to think of the idea.
10.The teacher asked us to hand in our homework before next Tuesday.

Answer 1

1.做宾语补足语
2.做表语
3.做宾语补足语
4.做主语
5.做宾语
6.做宾语
7.做宾语补足语
8.做宾语补足语
9.做宾语补足语
10.做宾语补足语
--首先动词不定式可以做主语.比如说 To see is to believe.(眼见为实)--也可以做表语,像上面那句的"to believe"就在句子中充当表语成分. 另举一个简单的例子就是: My dream is to be a teacher.--做宾语..I want to go asleep..--做宾语补足语.比如.I want you to go with me.--做状语//比如,To be honest,I don't want to go with you.中.."To be honest"就是做状语用.

Answer 2

1宾补
2定语
3宾语
4主语
5主语（it是形式主语）
6宾语
7宾补
8宾语
9定语
10宾补