2022年人教版九年级英语知识点汇总unit-unit4.docx

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1、精选学习资料 - - - - - - - - - 人教版九年级英语学问点汇总九年级英语 Unit4 1. if 引导的非真实性条件状语从句 即 虚拟语气 通过动词形式的变化来表示说话人对发生的动作或存在的状态 所持的态度或看法的动词形式称为语气,虚拟语气表示说话人所说的 话不是事实,而是一种希望,建议或是与事实相反的假设等；If 引导的条件状语从句分为真实和非真实条件句,非真实条件 句应用虚拟语气；假如要表示 与现在或将来事实相反时,其虚拟语气结构为：句 型 条件从句 主 句 动词过去式 be 动词 谓语动词形式 would+动词原形 用 were 即： 从句 if +主语 +动词过去式 be

2、 动词用 were, 一般过去时 主句 主语 +would+动词原形 过去将来时 如： If I had time, I would go for a walk. 假如我有时间,我就会去漫步；事实上我现在没有时间 If I were you, I would take an umbrella. 假如我是你的话,我会带上雨伞；事实上我不是你 I would say no if someone asked me to be in a movie. 假如有人请我当电影演员,我会表示 拒绝； 事实上瑞没有人请我当电影演员 2. pretend to do sth. 假装做某事I pretended t

3、o sleep just now. pretend +从句 假装 I pretended that I fell asleep. 3. be late for 迟到 如：I am late for work/ school/ class/ party. 4. a few 与 a little 的区分, few 与 little 的区分 a few 一些 修饰可数名词a little 一些 修饰不行数名词 两者表确定意义如： He has a few friends. 他有一些伴侣；There is a little sugar in the bottle. 在瓶子里有一些糖； few 少数的

4、修饰可数名词little 少数的 修饰不行数名词 但两者表否定意义如： He has few friends. 他没有几个伴侣；There is little sugar in the bottle. 在瓶子里没有多少糖；5. still 仍旧 ,仍用在 be 动词之后,行为动词之前如：I am still a student. 我仍旧是个同学I still love him. 我仍旧爱他；6. hundred, thousand , million, billion 十亿 词前面有数词或 several 一词时要不能加 s ,反之,就要加 s 并与 of 连用,表示数量很多 如： sever

5、al hundred/ thousand/ million/ billion people 名师归纳总结 - - - - - - -第 1 页,共 7 页精选学习资料 - - - - - - - - - 几百 /千/百万 /十亿人hundreds of trees 上百棵树7. what if + 从句假如 怎么办, 要是 又怎么样如：What if she doesn t come. 要是她不来怎么办？What if LiLei knows. 假如李雷知道了怎么办？8. add sth. to sth. 添加 到如：I added some sugar to water. 我把糖添加到水里；

6、9. 系动词与形容词连用 get nervous 变得紧急 feel shy 觉得害羞 look friendly 看起来友好 10. too +形 /副+to do sth. 太 而不能 如：I m too tired to stand. 我太累了而不能站；11. help with sth. 如： They help with this problem. 如： They help you relax. 他们帮忙你放松 help sb. do.12. in public 在公共场所 如: Don t smoke in public. 请不要在公共场所吸烟；13. energetic adj.

7、 活力的如： She is a energetic girl. 她是一个活力的女孩；energy n. 活力 如： She has lots of energies. 她有活力；14. ask sb. to do 叫 做某事 ask sb. not to do sth.叫 不要做某事 tell sb. to do 告知 做某事 tell sb. not to do sth. 告知 不要做某事 如： Teacher asked me to clean the classroom. Teacher asked me not to clean the classroom. 15. start doi

8、ng = start to do. 开头做某事 如：He started speaking/ to speak. 他开头说话；16. borrow sth. from sb. 从某人那里借来某物 如：I borrowed a book from Lily. 我从莉莉那里借来一本书；17.wait for sb.等某人 如： I am wait for him. 我正在等他；18. introduce sb. to sb. 把某人介绍给某人 如：I introduced Lily to Anna. 我把莉莉介绍给安娜；19. invite sb. to do 邀请某人做某事 如：Lily inv

9、ited me to go to her home for supper. 20. have dinner/ supper 吃晚饭have lunch/ breakfast 吃午餐、吃早餐莉莉邀请我去她家吃晚饭；21. plenty of 修饰不行数名词,也可以修饰可数名词 很多 如：They have plenty of food/ apples. 他们有很多的食物 /苹果；22. 给某人某物 give sth. to sb. 如： give an apple to me give sb. sth. give me an apple 给我一个苹果 23. get along with sb.

10、 与 相处 如：Do you get along well with your friends. 你和你的伴侣相处得好吗？24. would rather do sth. than do sth.表示愿做某事而不愿做某事如：I would rather walk than run. 25. whole 整个 26. in fact 事实上 27. let sb. down 让某人扫兴 如：Don t let your mother down. 不要让你的妈妈扫兴；28. come up with sth. 提出想出 如： He came up with a good idea. 他提出了一个好

11、想法；名师归纳总结 - - - - - - -第 2 页,共 7 页精选学习资料 - - - - - - - - - catch up with sb.追上 赶上如：Lily caught up with Anna. 莉莉赶上了安娜；29. have experience doing 在做某事有体会 如：I have experience teaching Chinese. 我在教英语方面有体会；30. come out 出版,出来如： The magazine comes out once a week. 这种杂志每周出一次；31. by accident 偶然地,无意之中 如：Last w

12、eek I cut my finger by accident. 上个星期我不当心割到自己的手指；32. hurry to do 匆忙 I hurry to call the police. 33. more than 超过34. offer sb. sth. 给某人供应某物 宾语从句 宾语从句在复合句中作主句的宾语；由连接词 + 主语 + 谓语 构成常由下面的一些词引导： 由 that 引导表示陈述意义that 可省略He says that he is at home. 他说他在家里； 由 if , whether 引导表示 一般疑问意义 带有是否、已否、对否等I don t know i

13、f / whether Wei Hua likes fish. 我不知道韦华是否喜爱鱼； 由 连接代词、连接副词疑问词 引导表示特别疑问意义Do you know what he wants to buy. 从句时态要与主句一样你知道他想要买什么吗？当主句是一般现在时,从句依据情形使用任何时态 He says that he is at home. 他说他在家里；I don t know that she is singing now. 我不知道她正在唱歌；She wants to know if I have finished my homework. 她想要知道我是否已经完成了我的作业；D

14、o you know when he will be back. 你知道他将会什么时候回来？当主句是一般过去时,从句应使用过去某时态 一般过去时 , 过去进行时,过去将来时,过去完成时 He said that he was at home. 他说他在家里；I didn t know that she was singing now. 我不知道她正在唱歌；She wanted to know if I had finished m homework. 她想要知道我是否已经完成了我的作业；Did you know when he would be back. 你知道他将会什么时候回来？九年级英语

15、 Unit5 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 连用Have you finished your work yet ？你完成了你的工作了吗？名师归纳总结 Yes, I have. I have just finished it.是的；我刚刚完成了；第 3 页,共 7 页I have already finished it .我已经完成了；Have you ever been to China.你曾经去过中国吗？- - - - - - -精选学习资料 - -

16、 - - - - - - - No, I have never been there.没有,我从来也没有去过； 表示过去已经开头,连续到现在的动作或状态和表示过去某一时刻连续到现在（包括现在在内）的一段时间的状态连用如：作,以及 how long ）（for + 时间段, since + 时间点,或过去某一动注： 非连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确定句连用；应转为相应的连续性动词如： buy- havedie- be deadjoin - be inborrow- keepleave- be awayI have bought a pen.-

17、I have had a pen for 2 weeks. The dog has died.- The dog has been dead since last week. have has been to + 地点去过某地已经回来如：have has gone to + 地点去了某地没有回来have been in + 地点始终呆在某地没有离开过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

18、过上海 1.情态动词 must, may , might, could, may , can t 表示估计含义与用法后面都接动词原形,都可以表示对现在情形的揣测和推断但他们含义有所不同must 肯定 确定 100%的可能性 may, might, could 有可能,或许 20%80%的可能性 can t 不行能,不会 可能性几乎为零 The dictionary must be mine. It has my name on it. The CD might/could/may belong to Tony because he likes listening to pop music. T

19、he hair band can t be Bobs. After all, he is boy. 2. whose 谁的疑问词作定语后面接名词如： Whose book is this. This is Lily s. 3. belong to 属于 如：That English book belongs to me. 4. 当 play 指弹奏乐器时,常在乐器前用定冠词 如：play the guitar play the piano play the violin 当 play 指进行球类运动时,就不用定冠词 如：play football play basketball play ba

20、seball 5. if 引导的条件状语从句,主句用一般将来时,从句用一般现在时代替将来时 如：If you don t hurry up, you ll be late.假如你不快点,你将会迟到6. if you have any idea= if you know 假如你知道7. on 关于（学术,科目）8. try to do sth. 尝试做某事 如：I try to climb the tree. 我尝试爬树；9. because of , because because of + 名词 /代词 /名词性短语名师归纳总结 because +从句如：I do it because I

21、like it. 我做这件事是由于我喜爱；第 4 页,共 7 页- - - - - - -精选学习资料 - - - - - - - - - I had to move because of my job. 由于工作的缘由我得搬家；10. own v.owner n. listen v. listener n. learn v.learner n.11. catch a bus 赶公车12. neighbor 邻居 指人neighborhood 邻居 指地区也可指邻近地区的人13. local 当地的 如： local teacher 当地的老师14. noise n. 噪音 是个可数名词 no

22、ises 15. call the police 报警 如： Quick. Call the police. 快！叫警察！16. anything strange 一些古怪的东西当形容词修饰 something, anything, nothing, everything 等不定代词时,放在这些词的后面17. there be sb./ sth. doing 如：There is a cat eating fish. There must be something visiting our home. 18. escape from 从哪里逃跑出来 如：He escaped from the

23、burning building. 他从燃烧的大致中逃出来；19. an ocean of + 名词 极多的,用不尽的 如： an ocean of energy. 20. unhappy 不兴奋的 反义词 happy 兴奋的21. final adj. 最终的 finally adv. 最终地22. dishonest 不诚恳的 反义词 honest 诚恳的 ；23. get on 上车 get off 下车24. use up 用光、用完 如： They have used up all the money. 他们已经用完了全部的钱；25. attempt to do 试图 如：The b

24、oys attempted to leave for Beijing. 男孩子们试图想去北京；26. wake 动词 唤醒 常用的词组： wake up 意为醒来 如：Please wake me up at 8 o clock. 请在 8 点钟叫醒我；27. look for 查找 指过程find 找 指结果 如：I am looking for a pen. 我正在找一支笔； （指找的过程）I found my pen just now. 我刚刚找到了我的笔； （指找的结果）28. hear 听指听的结果如：listen 听 指听的过程Did you hear . 你听到了吗？（指听的结果

25、,听或没听到）I often listen to the music. 我常常听音乐； （指听的过程）29. try one s best to do sth. 尽某人的最大努力去做某事 如：He tried his best to run. 他尽他的最大努力去跑；30. 名词全部格 名词全部格的构成有两种形式 是在名词后面 加 s 或是以 s 结尾 的名词,只在名词的后面 加 如： Ann s book 安的书 , our teachers office 我们老师们的办公室注： 双方共有的全部格,只在后面一个名词加 s, 如：Lily and Lucy s father 莉莉和露西的爸爸（她

26、们的爸爸是同一个人）名师归纳总结 有 of 介词短语表示无生命东西的全部格如：第 5 页,共 7 页- - - - - - -精选学习资料 - - - - - - - - - a picture of my family 我家人的相片有时也有 s表示无生命的东西的全部格 如：today s newspaper, the city s name 九年级英语 Unit 6 定语从句 参看课本 P143 1. prefer 动词 更喜爱 宁愿prefer sth. 更喜爱某事 I prefer English. 我更喜爱英语；prefer doing/ to do 宁愿做某事 I prefer si

27、tting/ to sit. 我宁愿坐着；prefer sth to sth. 同 相比更喜爱 I prefer dogs to cats. 与猫相比我更喜爱狗；prefer doing to doing 宁愿做某事而不愿做某事I prefer walking to sitting. 我宁愿走路也不愿坐着；2. along with 相伴 同 一道I will go along with you. 我同你一道去；I sing along with music. 我相伴着音乐唱歌；3. dance to sth. 随着 跳舞She likes dancing to the music. 她喜爱随

28、着音乐而跳舞；4. different kinds of 各种各样 different kinds of clothes 各种各样的衣服5. music n. 音乐musician n. 音乐家musical 6. take to 带 去 . 如：My father often takes me to the park. 我的爸爸常常带我去公园；Please take this box to my office. 请拿这个盒子到我的办公室；7. remind sb. of sb./sth. 提示 使 记起 . This song reminds him of his mother. 这首歌使他

29、记起了他的妈妈；8. clear adj. 清晰的,清亮的clearly adv. 清晰地9. be important to sb. 对 重要be important for sb. to do. 做某事对某人很重要10. unfortunately adv. 不幸运地 11. look for 查找fortunately adv. 幸运地My pen is lost. Could you help me look for it. 我的笔丢了；你能帮我找一下吗？12. though = although 作连词 放在句子中间 /句首,不能和虽然,尽管 but 连用. Though it wa

30、s very late, he went on working. 虽然很晚了,但他仍在工作Mr. Smith , though he was young, did it very well. 史密斯先生虽然年轻,却做得很好；13. fun n. 好玩funny adj. 好玩的14. be sure to do 肯定做某事确定做某事如：It is sure to snow. 确定要下雪Be sure not to forget it. 千万不要遗忘呀15. known adj. 出名的闻名的know v. 知道 熟悉16. on display 展览17. over the years 很多年

31、来,常与现在完成时连用如：Over the years, they ve planted many trees on the hills. 多年来他们已在山上种植了很多树；18. energy n. 活力 energetic adj. 有活力的 19. most of 的大多数20. keep healthy 保持健康 21. get together 聚在一起 22. discuss v. 争论 discussion n. 争论23. be bad for sth. 对 有坏处的 be bad for doing sth. 做 有坏处名师归纳总结 - - - - - - -第 6 页,共 7

32、 页精选学习资料 - - - - - - - - - 24. for example 例如25. take care of = look after 照料 关怀 如：She often takes care of / looks after her son. 26. stay away from 远离 如：Stay away from me , I have a cold. 请远离我,我得了感冒27. to be honest 老实说 如：To be honest I really like flowers. 老实说我真的很喜爱花；28. dislike 不喜爱 反义词 like 喜爱29. fisherman 渔夫 复数形式 fishermen 30. photography n. 摄影 photograph n. 照片 相片photographer n. 摄影师 31. be in agreement 看法一样常与介词 on /about 连用如：名师归纳总结 They are in agreement on that question. 他们对那个问题看法一样；第 7 页,共 7 页32. even if 甚至33. mainly adv. 主要地首要地main adj. 主要的- - - - - - -