英语语法:it用法
一、指代物
it可替代动植物与无生命的东西,,它与one的`区别在于one= a/an + none; it = the + n。
1. ---Where is my pencil case? ---Isn’t it in your backpack?
2. ---I have a motorbike. It (= the motorbike) was bought three years ago.
3. As this chair is broken, I must have it (= the chair) repaired.
4. My father bought a pen and gave it (= the pen) to me.
5. You can not eat your cake and have it. 世事难两全。
试比较:
6. I have no dictionary, so I want to buy one. (one = a dictionary)
7. I have a dictionary, it is over there. (it = the dictionary)
二、指代人
it可指代一个未亲眼看到的、不明身份性别的、面目不详的人,免费学英语网站,英语,或婴儿、儿童,照片中的人物等。
8. --- Who is there waving to you? ---It’s my friend Tom.
9. ---Who is crying in the room? ---It’s my brother Jack.
10. ---Who is knocking at the door? ---It must be Kate, my classmate.
11. ---Who is the girl in the photo on the wall? ---It’s my sister.
12. ---Who is it? ---It’s me. (有人敲门)
13. ---Someone is ringing the doorbell. Go and see who it is. (敲门)
14. ---Oh, by the way, there is a telephone call for you. ---Who was it? (打电话)
15. ---Who is making so much noise? ---It must be the children.
16. There is a person knocking at the door. Who can it be?
17. Just at that time, in came a girl. It was Mark’s sister.
18. There is a young lady at the door. It is his daughter.
19. What a beautiful baby! Is it a boy?
20. A baby is lying in the cradle. It was born two months ago.
21. The baby cry because it is hungry.
22. The baby has got its first tooth.
注意:若身份已确定则要用人称代词。
23. There is a lady at the door. She wants to see you.
注意:向别人介绍某人时用this。
24. This is my friend, Jim.
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