九年级英语第三单元重点知识点.doc

九年级英语第三单元重点知识点 九年级英语第三单元重点知识点1、 be allowed to do 被允许做 Students arent allowed to get their ears pierced .2、 allow sb to do 允许某人做。 Our teacher doesnt allows us to smoke3、 allow doing 允许做 Our teacher doesnt allows smoking（2与3的不同在于2是允许某人做，后面要用to do而3则指标允许做，没有说明允许某人做就用doing）4、 go out 外出； 出去 ；熄灭 If the fire doesnt go out , you had better not leave5、 have part-time jobs 做兼职工作 (1) job 工作（可数名次）指单项工作ask for a job ;My job is teaching English (2) work （不可数名词） 泛指工作，Work is very tired .6、go to the small 去市场 7、 get her ears pieced 打耳朵眼 8、be wild 狂野 ；be serious 严肃 ；be calm 沉着，镇静 9 cut ones hair 理发10、He doesnt seem to have many friends 他看起来没有许多朋友。Seem 看起啦，似乎， (1)She seems busy except me (2) This problem seems a little difficultIt seems that(后接宾语从句)看起来。（1）It seems that I have seen him somewhere before （2）It seems that they leave quickly.11、work on 从事于。忙于。Do you work on business ?Have you work on teaching English yet ?12、stop doing 停止做 stop to do 停下来开始做。这两个短语的意思相反，使用中一定根据上下文看清楚是停止做。还是停下来开始做。 (1) stopped _(read)the book when my mother asked me to have supper (2) I was watching TV just now .When i heard my mother came into the room ,I stopped _ my book.13、need 动词 需要 Do you need help ? Yes , We need more help (more这里表示更多，是在原来的基础上再多一些或者再一次的意思) Would you like to need more a cup of tea ? Need to do 需要做。 You need to talk with your parents .14、spend time with 与谁 度过时光 15、It doesnt look clean look系词后，接形容词。看上去；看起来 She looks too young . She looks much better She is as smart as she looks16、Clean 这里是形容词，表示干净，整洁。Your room isnt a littler clean , Can you make my car clean ? clean 动词 表示使.干净（整洁）例如：clean the classroom 翻译 打扫教室 其本意是“使教室清洁” sweep 擦。是一个单纯的动作“擦” sweep the desks , sweep the floor.但是不能说sweep the classroom ,clean 能代替所有的sweep,而sweep则不全部代替clean .17、at the age of.(数词)在几岁的（时候）=When sb was(were) 数词 years old . At the age of ten = When he was ten years old18、sometime意为“某个时候”，可用于将来或过去来 ；Come to see us sometime. 什么时候来看看我们吧。sometimes 意为“有时”。如：He sometimes writes to me. 他有时给我写信。Some time 名词词组，意为“一段时间”(不能写成 sometime)。Im afraid itll take some time to repair your car. 恐怕修你的车要花相当多时间。19、at his house ; at home 20、 on Friday nights(一定注意这了night用复数形式)21、Me , too = So do I 属于AB的省略回答（注意开头用人称代词的宾格式）22、by 10:00 pm 不迟于10点，不吃于。或者到。为止。表示时间 （1）通常在过去完成时中出现，例如：到昨天15点by fifteen oclock yesterday 这就是一个典型的过去完成时的时间状语。 （2）表一般将来时：by fifteen oclock tomorrow By的其他用法如下：（1） 表地点：在旁边。By the lake, by the sea ;by me表示从旁边（经过） He walks by Toms house every day. She walked by me just now. (2) 表交通工具：by bus ; by bike ; by air. (3) 表方式：通过。 用。靠。 By listening to tapes , by getting up early I have an hour to read English (4) 用在被动语态中表示动作的执行者，由。 被。 The book was written by Tom . She was laughed at by other children23、What rules do you have at home ?24、clean up 整理（好）。 You mast clean up your bedroom by yourself every day .25、fall (fail) a test 考试不及格（没有通过考试） pass a test 考试及格（通过考试）26、take the test 考试 27、get to class late ; take the test late ; get up late28、talk about 谈论 talk with 与.谈话 。 talk to 对。谈话。29、 be ugly 丑陋 30、 concentrate on 注意力集中在（于）。on后接名词，动名词 We should concentrate more on what she does than what she says . In this year you should concentrate on studying30、 feel comfortable 感觉舒服。 31、 work in groups 小组活动。Study in groups 小组学习32、both.and谁和谁都。Both of .两者。都(注意：这个短语都看做复数)She is good at both English and math ,Both he and she are in our school 。Neithernor既不。也不。表示着都不（注意：若连接的主语时，其动词形式确定于nor后的人称）neither those students nor this girl is in our school .33、during 介词，在。期间(当中) 表时间。During his holiday , during summerDuring 连词，引起状语从句。During I stayed in Peking, I got to know her.34、get noisy 变得烦躁，躁动不安 noisy是名次noise不可数名词，make noiseThere is too much noise in our class.Voice声音（可数名词） I heard a voice It was very nice and soft . Their voices are too loud .35、learn a lot from each other 相互学习了许多。 Learn from sb 向。学习。 （learn sth from sb 向。学习。）36、at present 目前 ；如今 37、 have an opportunity to do 有一个做。机会（时机）take an opportunity 抓住一机会38、What kind of clothes do you want to wear ?39、What school rules do you think should be changed ?40、Its a real mess . m