Units 1~4单元知识点讲解及配套练习 -2024-2025学年江苏省译林版九年级英语下册
江苏省译林版九年级下册各单元知识点讲解及配套练习
9B Unit 1 Asia “it” 的用法知识点讲解
一、it 用作代词
1.用作人称代词
- 在句子中作主语或宾语 ,指代前面已经提到过的事物、动物或人,且 it 指特定的事物 。如果指前文中提到的事物中的任何一个,用 one ,one 可以与 any, each, every, not 等连用,但 one 不可代替不可数名词。
- 例句:
- Where’s your book? It’s on the desk.(指代物品 your book )
- Did you see the accident? Yes, I saw it.(指代事件 )
- The baby cried because it was hungry.(指代婴儿,尤指性别不详或无所谓时 )
- Who is knocking at the door? It’s me.(指一定情景中所确定的人或事物,此时相当于指示代词,代指 this 和 that ,有时也指人 )
2.作非人称代词
- 表示天气、日期、时间、温度、距离、价值、路程、度量、自然现象与环境等 。也可模糊地指一般情形或上文的部分或整个意思。译成汉语时,it 通常不一定译出来。
- 例句:
- It’s sunny today.(表示天气 )
- It’s five o’clock now.(表示时间 )
- It’s three kilometers from my home to school.(表示距离 )
- It’s a pity that you can’t come.(模糊指代 )
- 注意:“It’s time...”后面可以接不定式和介词短语表示“是做……的时候了” 。如:It’s time for bed. ;It’s time to go to bed.
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二、it 用作引导词
1.作形式主语
- 由动词不定式、动词 -ing 短语或名词性从句担任主语的句子,常用 it 来作形式主语,而把真正的主语放在句子的后面。
- 句型:
- It + be + 形容词 +(for sb. )to do sth. ,例如:It’s difficult for us to finish the work in two days.
- It + be + 形容词 +(of sb. )+ to do sth. , 此句型中的形容词描述人的品质,如 kind, nice, clever 等 ,例如:It’s kind of you to help me.
- It + be + 名词 + doing ,例如:It’s no use crying over spilt milk.
- It + be + 形容词 + that 从句 ,例如:It’s important that we should learn English well.
2.作形式宾语
- 当宾语是动词不定式、动词 -ing 短语或名词性从句时,而宾语后又有宾语补足语,则需用 it 作形式宾语,将真正的宾语放到宾语补足语的后面。用于这种结构的动词有:feel, find, think, make, consider, take 等 。
- 例句:
- We think it necessary to learn a foreign language.(it 代替 to learn a foreign language 作形式宾语 )
- I find it interesting that he likes reading so much.(it 代替 that 从句作形式宾语 )
配套练习题
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一、单项选择
1.I lost my pen. I can’t find ______.
A. one B. it C. this D. that
2.______ is very cold today.
A. That B. This C. It D. Its
3.I think ______ important to learn math well.
A. that B. this C. it D. its
4.______ took me two hours to finish the homework.
A. This B. That C. It D. Its
5.The box is heavy. I can’t carry ______.
A. one B. it C. this D. that
6.______ is exciting to watch a football match.
A. This B. That C. It D. Its
7.I find ______ easy to get along with him.
A. that B. this C. it D. one
8.______ seems that he is very happy.
A. This B. That C. It D. Its
9.We made ______ a rule to get up early every day.
A. that B. this C. it D. one
10.______ is necessary for us to learn English well.
A. This B. That C. It D. Its
二、完成句子
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