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1、九年级英语重要词汇和句型用法1. 提建议的句子：What/ how about +doing sth.? 如：What/ How about going shopping? 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?2. first of all 首先. to begin with
2、一开始 later on 后来、随3. 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4. see sb. / sth. doing 看见某人正在做某事 强调正在发生see sb. / sth. do 看见某人做了或经常做某事 如： 如： She saw him drawing a picture in the classroom.她看见他正在教室里画画。5. too many许多修饰可数名词如：too many girls too much许多修饰不可数名词 如：too much milk much too太修饰形
3、容词 如：much too beautiful6. used to do sth. 过去常常做某事 否定形式：didnt use to do sth. used not to do sth.如：He used to play football after school. 放学后他过去常常踢足球。 Did he use to play football? Yes, I did. No, I didnt. He didnt use to smoke. 他过去不吸烟。7. 反意疑问句 肯定陈述句否定提问如：Lily is a student, isnt she? Lily will go to Ch
4、ina, wont she? 否定陈述句肯定提问 如：She doesnt come from China, does she?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等。其反意疑问句用肯定式。 如：He knows little 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，
5、不是吗？8. be interested in sth. 对感兴趣take an interest inbe interested in doing sth. 对做感兴趣 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。9. interested adj. 感兴趣的，指人对某事物感兴趣，往往主语是人 interesting adj.有趣的，指某事物/某人具有趣味，主语往往是物10. in the last few years. 在过去的几年内常与完成时连用如：
6、 I have lived in China in the last few years. 在过去的几年内我在中国住。11. 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 等引导的疑问句连用，构成不定工短语。如： The question is when to start. 问题是什么时候开始。 I dont know where to go. 我不知道去哪。 I dont know what to do next. 我不知道下一步做什么。12. make sb./ sth. + 形容词make you happ
7、y make sb./ sth. + 动词原形 make him laugh13. it seems that +从句 It seems + adj It seem + to be看起来好像如：It seems that he has changed a lot. 看起来他好像变了许多。14. 看起来好像sb. seem to do sth. He seems to feel very sad.it seems that +从句It seems that he feels very sad. 他看起来好像很伤心。 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
8、, 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。如：They are very happy. He became a doctor two years ago. She felt very tired.15. help sb. with sth. 帮某人某事 help sb. (to ) do sth. 帮某人做某事help sb out 帮某人摆脱困难help do sth 帮助做某事 help with sth. 如：They help with thi
9、s problem.She helped me with English.她帮助我学英语。She helped me (to) study English。她帮助我学习英语。They help you relax. 他们帮助你放松 16. fifteen-year-old 作形容词15岁的 fifteen-year-olds 作名词指15岁的人 fifteen years old 指年龄15岁如：a fifteen-year-old boy一个15岁的男孩Fifteen-year-olds like to sing. 15岁的人喜欢唱歌。I am fifteen years old . 我是1
10、5岁。17不再 no more = no longer 如： I play tennis no more/ longer.我不再打网球。 not any more = not any longer如：18.语态：英语有两种语态：主动语态和补动语态主动语态表示是动作的执行者被动语态表示主语是动作的承受者 Cats eat fish. （主动语态）猫吃鱼。 Fish is eaten by cats.(被动语态) 鱼被猫吃。 被动语态的构成由“助动词be 及物动词的过去分词”构成助动词be 有人称、数和时态的变化，其变化规则与be 作为连系动词时完全一样。时态被动语态结构例句一般 现 在 时am
11、are +过去分词is English is spoken in many countries.一般 过 去 时was +过去分词were + 过去分词This bridge was built in 1989.情 态 动 词can/shouldmay +be+过去分词must/The work must be done right now. 被动语态的用法当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者，或者只需强调动作的承受者时，要用被动语态。19. allow sb. to do sth. 允许某人做某事（主动语态）如： Mother allows me to watch
12、TV every night. 妈妈允许我每晚看电视。 be allowed to do sth. 被允许做某事（被动语态）如： LiLy is allowed to go to Qinzhou. 莉莉被允许去钦州。 Sb. allow doing sth. 某人允许做某事20. get their ears pierced 穿耳洞 让/使（别人）做某事 get sth. done(过去分词) have sth. done 如：I get my car repaired. = I have my car repaired. 我让别人修好我的车21. enough 足够形容词enough 如：b
13、eautiful enough足够漂亮 enough名词如：enough food 足够食物 enough to 足够去做如：I have enough money to go to Beijing. 我有足够的钱去北京。 She is old enough to go to school.她够大去读书了。22.倒装句: So助动词(be/do/will/have)/情态动词主语 意为：也是一样So +主语+be/助动词/ 情态动词 是呀,表示赞同别人的观点（陈述语序）Neither + be /助动词/ 情态动词+主语 也不一样（用于否定句）eg. He has been to Beijin
14、g. So have I.Its a fine day. So it is.She doesnt like eggs. Neither do I.She is a student. So am I.她是一个学生，我也是。 She went to school just now. So did I . 她刚才去学校了，我也是 She has finished the work. So have I . 她已经完成了工作,我也完成了。She will go to school. So will he.她将去学校，他也是。23. take the test 参加考试pass the test 通过考试fail a test 考试失败24. have an opportunity to do sth. 有机会做某事 have a chance of doing sth.
