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1、九年级英语Unit1一 语法现在完成时态由have/ has 过去分词表示过去发生或已经完成的某一动作对现在造成的影响或结果常与already, just , yet , ever, never，how long 连用Have you finished your work yet？你完成了你的工作了吗？ 表示过去已经开始，持续到现在的动作或状态和表示过去某一时刻延续到现在的一段时间的状态连用如：（for + 时间段，since + 时间点，或过去某一动作， 以 注：非延续性动词在现在完成 时态中不能和for, since 引导的表示一段时间的状语的肯定句连用。应转为相应的延续性动词 如：buy
2、- have die- be dead join - be in borrow/lend- keep leave- be away I have bought a pen.- I have had a pen for 2 weeks.The dog has died.- The dog has been dead since last week.have (has) been to + 地点 去过某地 已回，一般与表次数的词连用have (has) gone to + 地点 去了某地 没回 ，主语一般是第三人称have been in + 地点 一直呆在某地 没有离开过，一般与一段时间连用如：
3、She has been to Shanghai. 她去过上海。(已经回来)She has gone to Shanghai. 她去了上海。(没有回来)She has been in Shanghai for 2 days.她呆上海两天了。(没有离开过上海)二:短语，句型1. by + doing 通过方式如：by studying with a group by 还可以表示： “在之前”“乘车”等如： I have to go back by ten oclock. The student went to park by bus.2. talk about sth 谈论某事talk to s
4、b. = talk with sb. 与某人说话3. 提建议的句子：What/ how about +doing sth.? Why dont you + do sth.? 如：Why dont you go shopping? Why not + do sth. ? 如：Why not go shopping? Lets + do sth. 如： Lets go shopping Shall we/ I + do sth.? 如：Shall we/ I go shopping?4. a lot 许多 常用于句末如：I eat a lot. 我吃了许多。a lot of许多= lots of
5、许多常与名词连用 5. tooto 太而不能 常用的句型 too+adj./adv. + to do sth. 如：Im too tired to say anything. 我太累了，什么都不想说。6. aloud, loud与loudly的用法 三个词都与大声或响亮有关。 aloud是副词,loud可作形容词或副词。loudly是副词,7. not at all 一点也不 根本不 如： I like milk very much. I dont like coffee at all. 8. be / get excited about sth. =be / get excited abou
6、t doing sth. = be excited to do sth. 对感兴奋 9. end up doing sth 终止做某事，结束做某事 end up with sth. 以结束 如：10. first of all 首先. to begin with 一开始 later on 后来、随11. also 也、而且（用于肯定句）常在句子的中间 either 也（用于否定句）常在句末 too 也 (用于肯定句) 常在句末12. make mistakes in doing犯错 make a mistake 犯一个错误 13. laugh at sb. 笑话；取笑（某人） 14. take
7、 notes 做笔记，做记录 15. enjoy doing sth . 喜欢做乐意做 enjoy oneself 过得愉快16. each other 彼此 17. make up 组成、构成 18. one of +(the+ 形容词最高级)+名词复数形式 其中之一 如： She is one of the most popular teachers. 19. Its +形容词+(for sb. ) to do sth. (对于某人来说)做某事 如：Its difficult (for me ) to study English. 对于我来说学习英语太难。 句中的it 是形式主语，真正的主
8、语是to study English20. practice doing 练习做某事 21. decide to do sth. 决定做某事 22. unless 假如不，除非 引导条件状语从句 如：You will fail unless you work hard.假如你不努力你会失败。23. deal with 处理 24. worry about sb./ sth.=be worried about 25. be angry with sb. 对某人生气 如：26. perhaps = maybe 也许27. go by (时间) 过去 28. see sb. / sth. doing
9、 看见某人正在做某事 强调正在发生see sb. / sth. do 看见某人在做某事 全过程 如： 如： She saw him drawing a picture in the classroom. 她看见他正在教室里画画。29. look up 查阅（字典） 代词放在中间，名词放两边如：look it /them up 30. regard as 把看作为. 如：31. too many太多修饰可数名词如：too many girls too much太多修饰不可数名词 如：too much milk much too太修饰形容词 如：much too beautiful32. chan
10、geinto将变为33. with the help of sb. = with ones help 在某人的帮助下34. compare to 把与相比35. instead 代替用在句末，副词（字面上常不译出来） instead of sth. / doing sth. 代替，而不是 用在句中，动词36. try ones best to do 尽某人的最大能力去做某事 如：She tried her best to finish every work.37.how to swim 怎样游泳不定式与疑问词连用：动词不定式可以和what, which, how, where, when 等引
11、导的疑问句连用，构成不定式短语，充当宾语。如：I dont know where to go. 我不知道去哪。38系动词不能独立作谓语，要和表语一起构成谓语。常用的连系动词有：look, feel, be, become, get, turn, smell, taste, stay(保持), kept等。 连系动词除be 和become 等少数词可接名词 作表语外，一般都是接形容词作表语。如：They are very happy. She felt very tired. He became a doctor two years ago. 九年级英语Unit2一 语法反意疑问句 反意疑问句的
12、提问部分的结构是：助动词(be / will / do / have ) / 情态动词(can / could等) + 主语 肯定陈述句否定提问如：Lily is a student, isnt she? 否定陈述句肯定提问 You havent finished homework,have you?提问部分用代词而不用名词 Lily is a student, isnt she?陈述句中含有否定意义的词，如：little, few, never, nothing, hardly seldom,not, no, neither, none等。其反意疑问句用肯定式。 如：He knows lit
13、tle English, does he?他一点也不懂英语，不是吗？They hardly understood it, did they?他们几乎不明白，不是吗?前面是祈使句, 后用 will you? (lets 开头时, 后用shall we?)当主语是第一人称I时, 若谓动为think, believe, guess 等词时, 且其后跟宾丛,这时疑问句部分的人称, 时态要与宾语从句保持一致, 同时还要考虑否定转移例: I dont think he can finish the work in time, can he?二:短语，句型1. used to do sth. 过去常常做某事
14、 be/get used to doing sth.习惯于, to 为介词. be used to do sth 被用来做某事2. be different from. 3 play the piano弹钢琴 4 be interested in sth/ in doing sth. 对做感兴趣sth interest sb某物让某人感兴趣3 interested adj. 感兴趣的，指人对某事物感兴趣，主语是人4 interesting adj.有趣的，指某事物/某人具有趣味，主语是物 如：He is interested in math, but he isnt interested in speaking English. 他对数学感兴趣，但是他对说英语不感兴趣。5. wear 表示状态. =be in +颜色的词；put on 表示动作.dress sb. / oneself 给某人穿衣服 6. be able to do 与can 能/会做某事 be able to do sth. 有各种时态的变化如：She is able to do it. =can do I can
