中考英语语法:中考英语必备 IT用法概览
《中考英语必备 IT用法概览》由英语编辑整理,更多请访问:/english/。本内容整理时间为05月12日，如有任何问题请联系我们。
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，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.
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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.
三、指代前述内容, 或者是文中的内容
25. Beauty is everywhere. It makes us happy.
26. There is a football match tonight. It starts at six o’clock in the evening.
27. If you remember these points, it will help you.
28. When we die for our motherland or the people, it is a worthy death.
29. You have helped me a lot. I shall never forget it.
30. Yang Liwei was the first Chinese to be sent up into space. It made the Chinese proud.
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31. His mother is fifty-seven, but she doesn’t look it.
32. Mr. Wang was ill. Have you heard it?
33. ---Thank you for your help? ---Don’t mention it.
34. Although we can’t see it, there is air all around us.
35. It would be wonderful if you could come to help us.
四、指时间
36. ---What time is it by your watch? --- It’s ten minutes past two.
37. ---What day is it today? ---It’s Friday.
38. ---What’s the date today? ---It’s May 1st.
39. It’s early spring, but it’s still very cold.
make it + 时间 把时间定在……；约定……
40. Let’s make it eight o’clock.
41. Let's make it three o'clock sharp.我们约定3点整吧。
It’s time (for sb.) to do sth.
42. It’s time to have supper. = It’s time for supper.
53. It’s time to take a walk.
44. It is time for us to set out.
45. It is time for you to go to bed.
It’s time for sth.
46. It’s time for class. (口语中可省略为Time for class.)
47. It’s time for lunch. (口语中可省略为Time for lunch.)
48. It’s time for a break. (口语中可省略为Time for break.)
49. It’s time for a rest. (口语中可省略为Time for rest.)
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50. It’s time for dinner. (口语中可省略为Time for dinner.)
It’s high/about time + …did/should… (虚拟语气)
51. It’s high time you left.
52. It’s about time we should work hard at our lessons.
It’ is/has been + 时间 + since……
53. It’s twenty years since she left me.
54. It has been 20 years since I left here.
55. I heard it had been 20 years since they departed from each other.
It was/will be + 时间名词 + before 从句 “在多长时间后才发生某事”
56. It was twenty years before they met again.
57. It won’t be long before you recover.
58. It will be two years before I come here again.
五、指天气等自然现象
59. It’s very cold in winter in Haerbin.
60. It’s five degree below zero.
61. It will be windy tomorrow.
62. It will snow heavily tomorrow.
63. The volleyball match will be put off if it rains.
64. It was snowing heavily when he went out.
65. ---What’s the weather like in Beijing? ---It’s cloudy.
六、指距离、速度、金钱、度量
66. It’s just two stops to the park. 到公园只有两站路。
67. It’s about ten kilometers from my home to my school.
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68. It’s about ten minutes’ walk from here to the zoo.
69. It is 90 dollars in price.
70. It’s 200 mph in velocity. 速度是每小时200英里。
It is + 数词 + meters/miles/kilometers long/wide.
71. It’s three kilometers long for from east to the west.
72. It’s 200 meters wide from this side to that side.
七、指环境情况
73. It’s very quiet in the forest.
74. It’ll be very interesting at the party today.
75. It is always very clean and tidy in my son’s room.
76. It’s very chilly in my room.
77. It was noisy when he got to the classroom.
78. If it is convenient to you, I am going to visit you.
79. It was exciting when we watched the astronauts taking space walks.
八、替代this或that
80. ---What’s this/that? ---It’s my pencil sharpener.
81. That’s not interesting, is it?
82. This is your point, isn’t it?
九、作形式主语
(一)、替代动词不定式
It is + adj. to do sth.
83. It is good to eat vegetables.
84. It is an honor to have been asked to speak at the meeting.
It is + adj. +for sb. to do sth.
注意：此结构中的形容词是描述事情的、说明句尾动词不定式特征的形容词。这些形容词主要有certain, clear, dangerous, difficult, easy, hard, illegal, impossible, important, obvious, possible, polite, proper, right, unnecessary, unimportant, unlikely, useless, useful等。
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85. She is such an eccentric woman that it is difficult for anyone to get on well with her.
86. It is a good custom for young people to give up their sets to old people in the buses trains, or subways.
It is + adj. + of + sb. to do sth.
注意：本句型中的形容词一般表示人(逻辑主语)的某种特性，要么是夸赞，要么是贬损。主要有brave, careful, careless, considerable, cruel, clever, foolish, good, grateful, generous, impolite, kind, nice, polite, rude, silly, stupid, thoughtful, unkind, wise, wrong,等。
87. It is kind of you to lend me so many books.
88. It is clever of you to solve so difficult a problem.
89. It is wise of you to refuse his offer.
90. It is remarkable of her to be always working like this.
It is a pity(for sb.) to do sth. 很遗憾做某事
91. It would be a pity to miss the opening ceremony.
92. It is a pity for you not to go to Paris with us.
It is a great relief (to sb.) to do sth. 做……是一大慰藉；……真叫人送了一口气
93. It is a great relief to have rain after a long time of drought.
94. It’s a great relief to me to know you are safe.
95. It’s a great relief to hear that she won the prize.
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It is worth while to do sth. 做……是值得的
注意：本句型就相当于It pays to do sth.；worth while 不要写成worthwhile。
96. It is worth while to take a trip abroad.
97. It is worth while to learn English.
It’s best to do sth. 最好做某事 = To do sth. is best.
98. It’s best to set off tomorrow. 最好明天动身。 = To set off tomorrow is best.
99. It’s best to review the lessons one more time. = To review the lessons once more is best.
It’s better to do A than to do B = To do A is better than to do B.
100. It is better to borrow than to buy. = To borrow is better than to buy.
101. It’s better to stay at home than to go to the cinema. = To stay at home is better than to go to the cinema.
How is it possible to do sth.? ……这怎么可能？
102. How was it possible to fall down from the third floor without being hurt?
103. How is it possible for a girl of ten to fly an airplane?
It’s no use to do sth. 做……是没有用的
104. It’s no use to argue with him.
105. He doesn’t know the answer, so it is no use to ask him.
It takes (sb.) + 时间/条件 + to do sth. 某人花了多少时间做某事；做某事需要……(条件)
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106. It takes me half an hour to walk from here to school.
107. How long does it take to fly Being to London?
108. It takes patience and hard work to master English.
It costs sb. some money to do sth. 某人花多少金钱做某事
109. It cost him a great deal of money to take the trip.
100. It cost me 2000 dollars to collect these stamps.
It occurs to sb. to do sth. 某人突然想到做某事
111. It never occurred to me to take advantage of you. 我决没有想到过要占你便宜。(利用你)
It feels + adj. + to do sth.
112. It feels pleasant to talk with her. 同他谈话使人感到愉快。
113. It must feel strange to have a twin brother.
114. It feels unhappy to be with him.同他在一块让人感到不舒服。
115. It feels nice to take a walk in the evening. 晚间散散步感觉很好。
其它例句
116. It seems a pity not to have taken his advice.
117. It won’t hurt to postpone the party for a few weeks.
118. It did surprise me to hear you say so.
119. It gave great pleasure to have finished this work ahead of the dead line.
(二)替代动名词
动名词可以直接位于句首作主语，但为了强调，或动名词过长时，要用it作形式主语置于句首，而把动名词放到句子最后。这也是英语尾部重压原则所要求的。
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It is no good/use (in) doing sth. 做……是没用的；做……是白费力气的
= It is of no good/use doing sth.
= It is not any good/use doing sth.
120. It is no sue crying over spilt milk.覆水难收，悔恨无益。
121. It is no use trying to drown your sorrows in drink. 解酒浇愁无济于事。
122. It’s no good getting cross with him.和他生气没有用。
123. It’s no good reading without full understanding.
It’s exciting doing sth.
124. It’s exciting meeting you here.
It’s dangerous doing sth.
125. It’s dangerous playing with fire.
It’s foolish doing sth.
126. It’s foolish behaving like that.
It’s pleasant doing sth.
127. It’s pleasant lying in the sun.
It’s fun doing sth.
128. It’s fun being a magician.
It’s no use doing sth. 做……没有用
129. It’s no use crying over spilt milk.
130. It’s no use regretting.
131. It’s no use you running away.
注意：
1. 辨析：It’s no use doing sth. & It’s no use to do sth.
132. It’s no use doing sth. 通常指比较一般的情况。
133. It’s no use to do sth.常指具体的情况，也就是指在某一特定的场合所发生的事情。
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2. 类似句型
134. It’s useless to do sth.
135. It’s of no use to do sth.
It’s a nuisance doing sth. 做……很烦人。
136. It’s a nuisance having to do so much homework.
注意：这一结构中的动名词还可加one’s即物主代词来充当该动名词的逻辑主语。
137. It’s a waste of time your talking to him. It is just like casting pearls before swine.
138. It was great encouragement to us their coming to help.
139. It is useless doing that over and over again.
注意：辨析：It’s nice to do sth. & It’s nice doing sth.
140. It’s nice to do sth. 常用于见面或活动开始； It’s nice doing sth.则用于分手或活动结束。
141. It’s nice taking a walk in the evening.
142. It’s so nice sitting near a fire in winter.
143. It’s nice to meet you here.
144. It’s nice to have a talk with you. (说话开始)
145. It’s nice talking with you. （谈话之后）
It’s hard doing sth.做某事有困难
146. It’s hard learning English well.
It’s interesting doing sth.做某事有趣
147. It’s interesting going sight seeing.
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13. There is no sense in … ……是无意义的
14. There is no sign of … 没有……迹象
15. There is no saying that… ……难以断言
16. There is a slim hope of … 有……微小的希望
17. There is some difficulty in doing sth. 做某事有困难
18. There is some trouble in doing sth. 做某事有麻烦
19. There appears to be… 似乎有……
20. There seems to be… 好像有……
21. There used to be.. （过去）常常有；原来这儿有
22. There is evidence that… 显然……
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《中考英语必备 IT用法概览》由英语编辑整理,更多请访问:/english/我们猜您可能喜欢以下文章： 雅思写作模板：城市中心区改造雅思作文技巧让步段在大作文中的应用雅思写作提高形式主语it在中的应用怎么提高雅思写作：英文写作绝招最简化雅思写作：写作基础——语法的提高方法雅思写作范文7分经验雅思写作提高中的连贯性（二）日语口语资料：表示"愤怒责备"日语口语教程：日语的态（可能态和被动态）日语口语经典教材：日语的态（可能态和被动态）