2. 现在分词作定语时,和它所修饰的名词之间有逻辑上的主谓关系,表示所修饰名词的特征。如:

Listen to the singing bird.

Who is the boy running towards us。

1. 动名词作定语时,和它所修饰的名词之间没有逻辑上的主谓关系,只表示被修饰名词的一般用途,必须位于名词之前。如:

There is a swimming pool in our school.

在表示一个具体的。个别的或将来的动作时,要用动词不定式。如:

My job is to teach the first-year students grammar.

To study English well is very important.

在表示比较抽象的一般的行为和动作时,二者可以互换。如:

To climb mountains is a good form of exercise.

Climbing mountains is a good form of exercise.

One possible version:

Dear sir,

　　 I want to join your Winter Camp to help the children with sports and music.

　　 My name is Li Ping. I am thirteen (years old). I study / am a student in No.1 Middle School. I like reading and playing basketball. I like computers, too. I can play football well. I can sing many English songs. And I can dance and swim. I can surf the Internet and send e-mails.

　　 I think I can be good with the children and I hope to get your letter soon.

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 Yours,

　　　　　　　　 　　　　　　　　　　　　　　　　　　　　　Li Ping

附加题

1. comes 　　2. in 　　3. hard 　　4. little 　　5. on 　　

6. football 　　7. watching 　　8. His 　　9. back 　　10. homework

has , is　 , are , wife , from ,

daughters , much , children , to , play .

an　 , look　 , What ,　 between , Who’s ,

　old , man　 , grandmother , to , where .

1. Do any　 2. What colour　 3. the same　 4. There is　 5. half have

10. same ___ the same

6. is ____ are　　 7. you ____ your　 8. Are __ Is　 9. go to home ____ go home

1. that is ____ it is 　2. a ___ an　 3. at ___ in　　 4. and ____ or　　 5. no ___ not