语法专题四：介词
介词又叫前置词，是一种虚词。它是高考必考点之一。《2017年普通高等学校招生全国统一考试大纲》附录语法项目表中对介词考查列了一项：介词和介词短语。介词在句子中不能单独使用，只能与名词、代词等构成介词短语，在句中作状语、后置定语、表语和补语等。
2015年高考全国卷Ⅰ第66题（语法填空）考查了介词短语by car乘汽车；第74题（短文改错）考查了介词短
语with the development of随着......的发展。
2016年高考全国卷Ⅰ第64题（语法填空）考查了介词短语go back to回到；第78题（短文改错）考查了介词
短语dream of梦想。
2017年高考全国卷Ⅰ第61题（语法填空）考查了介词as表示“作为”；第68题（语法填空）考查了介词by 后面接v-ing；第80题考查了介词短语in the middle of里的介词of。
I.介词分类：
III.高考英语短文改错及语法填空考点分析及训练·介词
考点规律分析：短文改错对介词的考查主要涉及在及物动词后接宾语时误加介词和在不及物动词后接宾语时漏加介词、可直接用作状语的副词短语前误加介词、介词与其他词的常用搭配、常用介词的基本用法、习语中的介词用法等。语法填空主要涉及介词的选择。
介词单句改错之真题训练：
1. Bill insisted in staying near the car.
2. Suddenly we caught sight at a car and some men.
3. When I have free time I go a long walk.
4.When they came down the police were angry to them.
5. Most people can quickly get for help from a doctor or go to a hospital since they are ill.
6. …and some books, for example, books for history, science, cooking and gardening are also popul ar.
7. I never knew about a ride down a river could be so exciting.
8. It was very kind for them to meet me at the railway station.
9. In fact, they are planning to visit China in next year.
10. We practise for three times every week.
11.We must keep in mind that we play for the team instead ourselves.
12. Unfortunately, there are too many people among my family.
13. I was happy with any programme but the others spent a lot time arguing…
14. Thanks very much on inviting me to your birthday party on Sunday.
15. So I’m really sorry that I won’t be able to come in this time.
16. …but we do not seem to get much time to talk about together.
17. For instance, on one night he played strong and loud music till four o’clock in the morning.
18.I was so tired that I fell asleep at the moment my head touched the pillow.
19. His parents asked him to spend in more time preparing for the college entrance examination.
20.I feel sorry to him.
21.Because so much viewing, children may not develop the habit of reading and the ability to enjoy themselves.
22. On one year the average child will see 25,000 television commercials…
23. The main problem was in that I always thought in Chinese…
24. I’m sure they will laugh to me and see me as a fool. So I feel unha ppy every day.
25. You can find all kinds information in just a few minutes on the Internet.
26. But I have spent lots my money, …
27. …you will probably want to join in the Stamp Collectors’ Club…
28. We have a lot on common and have a lot to talk about.
介词单句改错之模拟训练：
1. We must serve for the people heart and soul.
