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1、人教版九年级 unit4-unit6 学问点总结九年级英语 Unit4 、5、61. 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:即: 从句if + 主语+动词过去式 be 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
2、 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.绝;事实上瑞没有人请我当电影演员 如有人请我当电影演员,我会表示拒2. pretend to do sth.假装做某事 I pretended to sleep just now. pretend 从+ 句 假装 Ipretended that I fell asleep. 3. b
3、e 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 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
4、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: several hundred/ thousand/ million/ billion people 几百/千/百万/十亿人 hundreds of t
5、rees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 c要om是e.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; 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 stan我d.太累了而不能
6、站; 11. help with sth. 如: They help with this problem. help sb. do.如: They help you relax. 他们帮忙你放松 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.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 ofenergies.她有活力; 14. ask sb. to do叫 做某事 ask sb. not to do
7、 sth叫. to do 告知做某事不要做某事 tell sb.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 doing = start to d开o. 始做某事 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
8、里借来一本书; 17.wait for sb.等某人 如: I am waitfor 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 invited me to go to her home for supper. 莉莉邀请我去她家吃晚饭; 20. have dinner/ supper吃晚饭have lunch/ breakfast吃午餐、吃早餐21. plenty of 修饰不行数名词,也可以修饰
9、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 appl给e与相处 如:我一个苹果 23. get along with sb.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 tha
10、n 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.他提出了一个好想法; 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.
11、 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. 种杂志每周出版一次;31. by accident偶然地,无意之中 如: Last week 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35. 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
12、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 dont know if / 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. 你知道他想要买什么吗? 从句时态要与主句一样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.家里;I do
13、n t know that she is singing no我w.不知道她正在唱歌;说他在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;Do 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 n我ow不. 知道她正在唱歌;She wante
14、d 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 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? Yes, I have. I have just finished it. 是的;我刚刚完成了; I
15、have already finished it . 我已经完成了; Haveyou ever been to China.你曾经去过中国吗? No, I have never been there没.有去过;有,我从来也没表示过去已经开头,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:(for + 时间段, since + 时间点,或过去某一动作, 以及 how long ) 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- have diebedead
16、 join - be in borrow- keep leave- be awayI have bought a pen.- I have had a pen for 2 weeks. The dog has died.- The dog hasbeen dead since last week. have has been to +地点 去过某地 已经回来 have hasgone 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 如: She has been to Shangha她i. 去过上海;已经回来 She has gone to Sh
17、anghai她. 去了上海; 没有回来 She has been in Shanghai for 2 day她s. 呆上海两天了; 没有离开过上海 1.情态动词 must, may , might, could, may , can 表示估计含t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 不t可能,不会 可能性几乎为零 The dictionary must be mine. It has my name on it.The CD might/
18、could/may belong to Tony because he likes listening to pop music. The hair band can t be Bob s. After all, he is boy. 2. w谁ho的se疑问词 作定语 后面接名词 如: Whosebook is this. This is Lily s. 3. b属elo于ng如to: 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 vio
19、lin 当 play 指进行球类运动时,就不用定冠词如: play football play basketball play baseball 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如l果l b你e l不ate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 , bec
20、ause because of +名词/代词/名词性短语 because +从句 如:I do it because I like it. 我做这件事是由于我喜爱;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
21、.噪音 是个可数名词 noises15. 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 ourhome. 18. escape from从哪里逃跑出来 如:He escaped
22、from the 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. attempt to do 试图们已经用完了全部的钱; 25.如:
23、The boys 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 oc请lo在ck.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listen 听 指听的过程 如:Did you hear . 你听到了吗?(
24、指听的结果,听或没听到)I often listen to the music. 我经 常听音乐;(指听的过程) 29. try ones best to do尽st某h.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: Anns book安的书 , our teachers o我ffi们ce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 fa莉th莉er和露西的爸爸(她们的爸爸是同一
25、个人)有 of介词短语表示无生命东西的全部格 如: a picture of my family 我家人的相片 有时也有 表s示无生命的东西的全部格 如: today s newspaper, the city九s年n级am英e语 Unit 6 定语从句 参看课本 P1431. 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 sitting/ to sit.我宁愿坐着;prefer sth to sth.同相比更喜爱 I prefer dogs to c
26、ats.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.她喜爱随着音乐而跳舞;4. different kinds of 各种各样 different kinds of clothes 各种各样
27、的衣服 5. music n. 音乐musician n. 音乐家 musical 6. take t带o 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
28、.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 fortunately adv. 幸运地 11. look for 查找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 虽然,尽管 放在句子中间 /句首,不能和 but 连用 Though it was very late, he went on working. 虽然很晚了,但他仍在工作Mr. Smith , though he wa
29、s 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很多年来,常与现在完成时连用如:Over the years, they ve planted many trees on t多h
30、e年h来ills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 24. for example 例如25. take care of = look after 照料 关怀 如: She often takes care of / looks after her so
31、n. 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 fishermen30. 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:They are in agreement on that question他. 们对那个问题看法一样; 32. even if 甚至33. mainly adv. 主要地 首要地 main adj. 主要的