资源简介 unit4 知识清单(一)一般现在时l.be动词的一般现在时(描述年龄/身份/现在的身体状况等)1)am/is/are的用法(注意主谓一致):我用am;你/你们/我们/复数主语用are;is跟着她/他/它/单数主语含be 动词的一般疑问句:be动词提到句子的开头(首字母要大写),然后加主语(一般照抄,除了提问我/我们I/we时,主语要换成you)回答时,肯定yes,主语(除了第一人称主语要变回I/we)照抄,然后加be动词;否定时,no,主语+be not.eg: Are you from China Yes, I am./No, I am not.Is he from China Yes, he is./No, he isn't.3) 否定句主语+am/is/are +not ..eg:I am not from China. / He is not (isn't) from China. They are not (aren't) from China.be动词可以用于以下几种情况:a) be+adj. eg:He is toll.他很高。b) be+n. eg:He is a teacher.他也是名老师。c )be+介词短语 eg: He is at home. 他现在在家。d) be+adv. eg:Class is over. 下课了.2.行为动词一般现在时1)概念;一般现在时表示经常性,习惯性的动作或现在存在的状态,历时不变的情况等。2)构成:主语+动词原形/动词第三人称单数(+s/es)3) 肯定句: I go to school at 8:00 everyday. / He goes to school at 8:00 everyday.4) 否定句:I don't know Mr Li. / He doesn't know Mr Li.5)一般疑问句:Do you like maths / Does he Like maths?回答: Yes, I do. / No, I don't. Yes, he does. / No, he doesn't.【注意】 do除了做助动词(无实义)外,还可以做实义动词,意为“做;”。将含有实义动词的do的肯定句变否定同时,是在do前面加don’t/doesn't.eg: We do our homework in the evening.——We don't do our homework in the evening.6) 特殊疑问同:特殊疑问词+do/does开头的一般疑问句eg:When do you go to school / When does he go to school (二) 频率副词always:一直;总是100% usualy:通常80% often:经常60%sometimes: 有时40%seldom: 很少 20%hardly=几乎不5%never:从不0%【用法】 频率副词通常放在系动词,助动间或情态动间之后,行为动词之前对频率副词提问,用how often。eg:She is usually busy.(系动词之后)We often go to the cinema.我们经常去电影院看电影。(行为动词前)词性变化1.un(否定前綴)+usual(adj平常的)=unusual (adj.不平常的)2.I- me-my-mine- myselfmy(lpron.我的)+self(自己)=myself(pron.我自己)3.chef(n. 厨师)→ (pl.chefs)4.ball(n. 球)+oon(另词后缀)=balloon(n.气球)5.dish(n.菜肴)→ (pl.dishes)6.shock(v.使震惊)+ed(形容词后缀)=shocked (adj.震惊的)7. knife (n. 小刀) → (pl .knives)&.usual(adj.通常的)+ly(副词后缀)=usually (adv.通常地)9.solt(n.盐) +y(形容词后缀)=salty (adj. 咸的)10.polute(v.污染)tion(名词后缀)=pollution(n.污染)11.decide(v.决定)去de+sion(名词后缀)=decision(n. 决定)I2.create(V. 创作)去e+ive(形容词后缀)=creative(adj. 有创造力的)13.medicine(n.医学) 去ine+al(形容词后缀)=medical(adj.医学的,医疗的)重点短语...as well as和;也...around the world全世界3.Spring Festival春节4.family reunion象庭团聚5.want to do sth.想要做某事6.on the phone 通过电话7.the last dish 最后一道菜8. be against the law 违法9.stand for 代表;象证10.a piece of一块;一片11.the smell of.. …的味道I2.feel like感觉像13.by oneself 独自14.be sure to do sth. 一定会做某事15.environmental probbems 生态环境问题16.during the Spring Festival在春节期间17.make from由 制成(看不出原材料)18.how about ...怎么样?19.give up 放弃20.stand by随时待命21.make sb.do sth. 让某人做某事22.in a bad situation 处于一个糟糕的状态23.every minute每秒钟24.be with sb.和某人花一起25.make the most of sth.充分利用某物26.be thankful for sth.对某事表示感谢27.one of... ...之一28.millions of 数百万的29.answer the call of... 响应…的号召30.festive fireworks 节日烟花考点精析treat的用法v.1)请客;款待;招待treat sb.to sth. 请某人2)对诗;看待 treat sb. like/as 把某人当作...看待3)治疗:treat cancer治疗4)请客;款待:my treat 我请客2.on用法汇总:prep.1)在...上 on the table2)在…时候 on Monday3) 关于 lesson on history 历史课4) 以...方式 on the radio/phone3. 辦析sometimes有时some times 几次/几倍sometime某一时间;某时some time一段时间time: u.n. 时间c.n.次数;倍数4.it is/was time for sth. 到(某事)的时间了。It is/was time to do sth.到做某事的时间了It is/was time for sb. to do sth.到某人做某事的时间了。否定疑问句结构:助动/情态动/be动词加not的缩写形式开头,常用来表示惊异,赞叹,反问,责备,建议等。意思为 “难道 不 吗?”肯定回答用yes(意为:不),否定回答用no(意为:是的)eg:Isn't he a teacher?难道他不是老师吗?Yes,he is.不,他是。(肯定回答)No,he isn't.对,他不是。否定回答6.try的用法v. 1.品尝try the new coffee尝尝新咖啡2.尝试3.设法;努力try to do sth. 努力做某事try doing sth. 尝试做某事心.尝试,have atry试一试7.must的用法:1)情态动词,必须,+V原,无时态,人称和数的变化(否定mustn't不许,不能,表禁止)eg: We must rely on ourselves. 我们必须靠自己。n.必须做的事,必不可少的东西。eg: Warm clothes are a must in the mountains. 到山区去穿暖和的衣服是必须的。&.let's(let us的编写)+V原,让我们做某事,表示提出建议,劝对方一同做某事。回答:Good ideo./Sounds great./ That's a good idea.否定形式:Let's not do sth. 咱们不做某事吧。9.make of 由 制成(看出原材料)make from由 制成(看不出原材料)call的用法1)v. 把...叫做, eg:What shall we call the baby?我们该怎么叫这个小宝宝呢?2).v.给…打电话 Call me please.请给我打电话。3).n. 打电话 I'll give you a call later. 我待会给你电话11.prefer的用法 (prefer: v. 更喜欢)prefer sth. 更喜欢某物prefer doing/to do sth.更喜欢政某事prefer..to..与…相比更喜欢 prefer to do sth. rather than do sth.守愿做某事而不愿做某事12.数词的用法1 )表示确切数字:数字+hundred/thousand/million(只能单数形式,不加s)2)表示不确切数字时,要用复数形式,并且与of连用eg: hundreds of成百上千的;thousands of成千上万的;millions of数百万的,billions of数十亿的; hundreds of millions of 数以亿计的13. Me too.我也是。 表示前面描述的肯定情况也同样适合我。eg:-I have a bag. - Me too. -我有一个包。-我也有。14.make的用法1)实义动词,制作,做2 )使役动词:make sb.do sth. 让/使某人做某事make sb./sth. +adj. 使某人/某物 make sb.+ n. 使某人成为 15.mean 的用法mean v. 1.意思是 .意味着3.打算mean doing sth.意味着政某事mean to do sth.打算政某事meaning n. 意思;含义16.a few/few/a little/little的用法a few,few+可数可数名词复数a little,little+不可数名词肯定含义,有几个;有一些:a little,a few否定含义,几乎没有:little ,few17.one of ... 之一one of+名词复数/代词宾格,表示“…之一”,谓语动词用单数。one of the+最高级+名词复数,表示“最…之一”,谓语动词用单数18.with的用法总结1).(表示关系)和...一起talk with sb. 和某人谈话work with sb. 和某人一起工作2).(表示状态)具有,带有【反】withouta girl with golden hair金发女孩3).(表示方式)用,以write with a pen 用铅笔写字cut with a knife 用小刀切regret的用法regret v.后悔;遗憾n.懊悔regret to do sth对要做的事感到遗憾(事情未做)regret doing sth.对做过的事感到后悔(事情已做)20.watch的用法v.观察;观看n.手表watch sb.do sth.看某人做了某事(强调动作发生的全过程)watch sb. doing sth. 看某人正在做某事(强调动下乍正在进行)重点句子1.It was my first Spring Festival in theUK. 这是我在英国的第一个春节。2. It was midnight in China, time for dumplings.在中国现在是午夜,吃饭子的时候了。3.Are you joking?你在开玩笑吗?4. My family always have it at the Spring Festival.我家人在春节时总要吃它。5. I felt like I was back home. 我觉像是回到了家。6. Eating zongzi is a must during the festival.节日期间吃粽子是必须的。7.They give up their family time to answer the call of the duty. 他们放弃陪伴家人的时间,来响应责任的召唤。 展开更多...... 收起↑ 资源预览