I 动词不定式
说出括号中的部分在以下句中所做的成分
1.I saw the boy (play in the room often).
2.It is hard (for one) (to do) a bit good.
3.It is unwise (of them) (to turn down) the proposal.
4.She seldom comes (but) (to ask) for help.
She has nothing to do but (lie down) in bed.
She enjoys nothing but (studying) English.
5.She asked not (to be sent)to work in the school.
6.Columbus was considered (to have discovered) the great land of America.
II 动名词
说出动名词在以下句中所做的额成分
1.It is no use (quarrelling)with each other.
2.His (going) there won't do any harm.
3.They insisted on Tom's (staying) there for dinner.
4.I knew nothing about the window (being) open.
5.We insisted on him (doing) it at once.
III 分词
说出分词在以下句中所做的成分
1.(Given) another good chance,he will do it much better.
2.The dog (beaten),the girl felt sad.
3.The situation is （encouraging).
4.We are（encouraged）by the excellent situation.
5.Don't get（excited）,comrade!
6.The door is (open).
7.The door is (closed).
要求按序号回答~并且保证正确.