人教版九年级上册Unit 6 When was it invented?单元短语语法作文归纳

Unit6 When was it invented
【短语归纳】
1. be used for doing= be used to do sth. 被用来做某事
如：Pens are used for writing. = Pens are used to write. 笔是被用来写的。
2. be used as 被用作……，被作为……使用
如：English is used as a foreign language in China. 英语在中国被作为一门外语使用。
3. be used by意为“被……使用”
如：Erasers are often used by students to correct mistakes. 橡皮擦被学生们用来改正错误。
4. think 认为 / think of想起 / think about思考，考虑
5. With pleasure =My pleasure. = It's a pleasure. = A pleasure. 我的荣幸；愿为你效劳
6. in our daily lives 在我们的日常生活中
7. 强调句结构: 助动词do +谓语动词原形 的确…
如：He does look well. 他的确看起来气色很好。
8. seem to do sth. 似乎做某事
9. have a point 有道理
10. mention doing sth 提起做某事
11. not to mention 更不用说; 还不算
12. Don’t mention it. 不客气
13. at that time 在那时 / at the same time 同时
14. the style of ……的样式/风格
15. by accident =by chance偶然; 意外的
16. It is said that 据说……
It's known that…众所周知……
17. the first to do sth. 第一个做某事的人
18. fall into =drop into 掉进；落入
19. one of +名词复数：……之一
one of + the +形容词的最高级+名词复数：最……之一
20. remain doing sth 保持/仍是做某事
21. the saint of tea 茶圣
22. make tea 制茶
23. It is believed that = People believe that… 人们认为/相信……
24. not…until… 直到……才……
25. less than 少于，比……少
more than =over 多于，比……多
26. take place 发生；出现
27. in the 19th century 在19世纪
28. without doubt 毫无疑问
29. the nature of …的本质
30. at a low price 以低价
31. advise sb (not) to do sth 建议某人（不）做某事
32. go out alone 独自外出
33. all of a sudden 突然，猛地
34. in the end =at last = finally 后来，最后，终于
at the end of ... 在...... 末尾
35. a much-loved and active sport 深受喜爱和充满活力的运动
36. for fun and exercise 为了娱乐和锻炼
37. the Olympics 奥林匹克运动会
38. on a hard floor 在硬地板上
39. divide…into 把…分开
40. stop sb. from doing slh. = prevent sb. from doing sth.阻止某人做事
41. dream of = dream about 梦想；想象.
dream of doing syh 梦想做某事
42. not only…but also… 不但……而且……
43. the number of… …的数量/数目
44. look up to 尊重 ，敬仰 / 抬头看（某人或某物）；
45. encourage sb to do sth 鼓励某人去做某事
46. achieve the dreams 实现梦想 （主语是人）
dream will come true梦想会实现（主语是梦想等）
47. decide on 决定
e up with 想出，提出
【语法归纳】
1. 被动语态
（1）被动语态基本结构：be+动词的过去分词
（2）be 有人称、数和时态的变化。
一般现在时的被动语态为：am/is/are+过去分词
一般过去时的被动语态为：was/were+ 过去分词
（3）与情态动词连用的被动语态：情态动词+ be + 过去分词 （be不变）
2. 一般过去时的被动语态的句式结构
（1）肯定句：主语+was/were+动词的过去分词（ + by…）
（2）否定句：主语+was/were + not+动词的过去分词（+ by…)
（3）一般疑问句：Was/Were+主语+动词的过去分词（+by …)
（4）特殊疑问句：特殊疑问词+was/were+主语+动词的过去分词（ + by...)
3. 在主动语态中，感官动词see , watch , hear , notice , feel 及have , let , make 等词后都不带 to , 但变成被动语态后要加上 to 。
如：The boss makes them work ten hours a day. 变 They are made to work ten hours a day.
4. 含双宾语和复合宾语的主动句变为被动语态的方法
（1）把指 “人”的间接宾语变为主语，而指“物”的直接宾语则不变
即：间接宾语 + be +动词的过去分词 +直接宾语
如：He gave me a book yesterday. 变 I was given a book (by him) yesterday
（2）把指“物”的直接宾语变为主语，则在间接宾语前加to或for。
即：直接宾语 + be +动词的过去分词 +to/for +间接宾语
如： I brought him some food. 变 Some food was brought to him (by me).
（3）在下列动词后，一般在间接宾语前用介词to:
bring , give , lend , offer , pass , show , take , tell , send , teach 等
在下列动词后，一般在间接宾语前用介词 for：
buy , make , get , choose , cook , sing 等
P48作文：
This special pen was invented by Liu Jie. It has three colors and is used for taking notes quickly. It is very useful if you have a lot to write down.
The pen comes with a microchip芯片 that can store a list of common words that you will use. You can program编程序 the words you will use often into the microchip’s memory芯片记忆卡, then assign分配，赋值 a short form简易格式 to each word.
When you are writing, you just need to write the short forms with the pen, press a button按一下按钮 on the pen and the short forms will change into the actual实际的，真实的 words. The microchip can contain up to包含 50 words and you can make changes to the list of words whenever you need to.
Computer
Computers are becoming more and more important in our daily life.
Do you know when the computer was invented The computer was invented in 1946. At that time , it was huge. With the development of science and technology科技, the computer has grown smaller. Now there are many kinds of computers, such as personal computers and laptops笔记本电脑.
The computer is a very useful tool工具 in our life. For example , it can send some messages to foreign friends by e-mail. What's more而且，更重要的是 , it can share information with others through the World Wide Web. We can also listen to music or play the game on computers. It makes us relax.
It’s hard to imagine what our life would be like without computers. I think computers will be more convenient and they are going to change our life completely in the near future.
My Favorite Invention
There are many inventions in the world, but my favorite one is the Internet. It’s helpful in our life.
First, it can help us get more knowledge. We can get everything that we need from the Internet.
Second, it makes our life much easier and more convenient. We can shop, listen to music, and watch movies online.
The Internet makes the world smaller. We can meet and talk to friends and relatives far away by sending e-mails and chatting online. The Internet makes our life more exciting and easier.
So of all the inventions, I like the Internet best.