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八上英语知识点

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  • 常见问题
    • 1、Unit 1【how often】how often用来询问动作的频率,即动作“多长时间发生一次”,回答可用天一(两、三)次”,sometimes “有时”, never “从不”, very often例如: -How often do you read English books?你多长时间看一次英语书?-Every day.每天。 -How often does he go to the movies?他多久去看一次电影?-Twice a week.一周两次。【 watch 】once/twice/three “经常”等。times a day “一watch 用作及物动词,用来指非常仔细地,有目的和特意的动作,表示“注视,观看,监视”之意。也常用于“看电视,看比赛”等短语中。例如: The teacher often watches us playing games.老师经常观看我们做游戏。 Theyre going to watch the football match tomorrow.明天他们将去观看那场足球比赛。【 want】(1)wantsb to do sth 意为

      2、“想让某人做某事”,其否定want sb notto sth ,意为“想要某人不要做某事”。例如: Mr Li wants you not to stand here.李老师让你不要站在这儿。(2)want作及物动词,意为“想要”,其后可接名词、动词不定式等。例如: I want to speak good English.我想讲一口流利的英语。 I want some green tea.我想要些绿茶。 (1)be good for 意为“对有好处,对”有益,有效,适用”,后接表示人或事物的名词。例如: Reading books is good for you.读书对你有好处。 The medicine is good for headaches.这药可治头痛。 Vegetables are good for us.蔬菜对我们有益处。(2)health是个不可数名词,意思是“健康(状况)”,常用于be in good (poor, bad) health短语中,表示“身体好(不好)”。例如: Health is better than wealth.健康胜于财富。 He often

      3、 comes home to see his mother, because she is in bad health.因他妈妈身体不好,他常回家看望他的妈妈。【 habit 】habit作名词,意为“(个人)习惯,习性”。例如: I have a good habit of reading.我有良好的读书习惯。 Habit is second nature.习惯成自然。【 pretty】pretty作副词,意为“相当,颇”,用于修饰形容词或副词。例如:Its pretty cold today.相关链接:pretty还可作形容词,意为“美丽可爱的”,多用于指小孩、妇女或较细小的东西,语气较弱。例如: She is a pretty girl. I have a pretty house.她是一个漂亮的小姑娘。我有一个漂亮的房子。 (1)try to do sth 意为“尽力去做某事,努力做某事”。例如; I will try to help you.我将尽力去帮助你。相关链接:与 try搭配的短语: try doing sth 则表示“试着去做某事”。例如: I will try a

      4、nswering the question.我将试着回答这个问题。 try/do ones best to do sth意为“尽力做某事”。例如: We should try/do our best to help the people in trouble.我们应该尽力帮助处于困境中的人。(2)a lot of=lots of意为“许多”,既可修饰可数名词,也可修饰不可数名词,多用于肯定句中,在否定句中和疑问句中则多用 many或 much.例如: I have a lot of books.我有许多书。 There is a lot of money in the bag.在袋子里有很多钱。【 look after】(1)look after在本句的意思是“留意,重视”,还可表示“照看,照顾”。例如: I have to look after my sick sister at home.我不得不在家照看生病的妹妹。 You must look after yourself.你应该照顾好你自己。 You must look after your things.你必须照看好你的东西。

      5、(2)look after相当于 take care of.例如: Please look after your baby well. Please take good care of your baby.请照顾好你的孩子。Unit 2 (1)matter 作名词时,意为“事情,问题,情况”。(2) 当看到某人心情沮丧,闷闷不乐,或是身体不舒服时,可使用本句询问对方,句中的matter 前一定要加冠词 the 。意思为“困扰的事, 麻烦事,故障”,后面常接介词 with ,再接“人”, 也可接“物”。 同义句为 Whats wrong with sb/sth ?或 Whats the trouble?例如: Whats the matter with you? Whats wrong with you? Whats your trouble?你怎么了? Whats the matter with your pen? Whats wrong with your pen?你的钢笔出了什么毛病了? There is something wrong with my watch.我的表出了些问题

      6、。 There is nothing wrong with your TV set.你的电视没问题。【 have】have/have got a+疾病名词,意思是“得了病”。例如: He has (got) a toothache.他牙疼。 He has (got) a stomachache and cant go to school. Yesterday she had a headache.昨天她头疼。 She has a cough and has to see the doctor.【 should 】他胃疼,不能上学。她咳嗽,不得不去看医生。should 是一个情态动词,意思是“应当”,表示义务、责任,可用于各种人称。其后跟动词原形。例如: You should brush your teeth before you go to bed.你在睡觉前应该刷牙。 Children should be taught to speak the truth.应该教导儿童说实话。 You should do what your parents tell you.你应该照你父母的话办。

      7、He should do some work, but he doesnt want to do.他应该做些工作,但是他不想做。【 believe】(1)believe后跟的是that引导的宾语从句,believe作动词,意为“相信”,常用于believe+句中,也用于“believe+宾语 +宾语补足语”结构。例如:宾语或that从 I believe him(或 what he says). 我相信他所说的话。 I believe him honest.我认为他是诚实的。(2)believe引导宾语从句时,如否定从句动作,则往往用承前否定。例如: I dont believe he can fix the bike.我认为他修不好这辆自行车。 I cant believe its true.我相信那不是真的。 They dont believe shell come.他们相信她不会来了。【 for example】for example意为“例如”,可用于句中、句首或句末。例如: I must buy a lot of school things, for example, notebooks, pen and ruler.我必须买许多学习用品,比如:笔记本,钢笔和尺子。 I know some students in your class-Lucy, Lily and Tony, for example.我认识你们班的一些人,比如: Lucy, Lily和 Tony。【 too much 】too 是副词, much是形容词“许多的,大量的”,too much则是“过于,太多”,作定语修饰不可数名词,还可以单独使用作主语、表语、状语等。例如: I have too much homework to do.我有太多的家庭作业要做。相关链接:much too 的中心词为too , much修饰 too ,用来加强语气,意思为“太,非常,极其”等,后接形容词或副词。例如: Its much too cold.天气太冷了。Unit 3

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