1.on the weekend , on weekends at the weekend , at weekends 分别表示某个固定的周 末和一般性的每个周末. n2 enjoy oneself.n过得快活；n玩得 高兴,过得快乐；n玩得痛快否定句的一般形式 1、如果句子的谓语动词是be, have或有助动词 ，情态动词，在他们之后加not构成否定式。He is not a student.We have not been invited yet. 2、如果句子的动词是行为动词，而又没有助 动词或情态动词，在谓语前加do的适当形式， 再加not.I dont want the book.I didnt go there yesterday.n3、借助否定词no, not, never, none, nothing 等。n There are no pens or pencils.n Nothing in the world moves faster than light.n4、借助半否定词hardly, scarcely, seldom, few, little等。n I seldom watch TV in the evening.n Scarely anybody believes it.n5、little与know, believe, think, guess, realize, imagine, expect, understand连用 ，表示强烈的否定。n He little knows that the police are about to arrest him.n6、借助否定词缀un-, in-, ir-, dis-, -less等 。n He looks unhappy.n This rule is illeagle.n1、表示时间的at, in, on：nat表示片刻的时间，如：at 8 oclock ，n常用词组有：at noon, at night, at midnight, at the end of, at that time, at the beginning of, at the age of, at Christmas, at New Year等。nin表示一段的时间，如：in the morning, in the afternoon, in the evening, in October, in 1998, in summer, in the past, in the future等。non总是跟日子有关，on Monday, on Christmas morning, on the following, on May Day, on a warm morning等。n7、the last+名词+不定式（或定语从句） ，也表示强烈否定，意义“决不会的”，“最 不愿意的”n He is the last person to go there. 他 决不会去那儿。n3、表示时间的in和after：两者都表示“ 在（某个时间）之后，n区别在于in表示“在（一段时间）之后”， 而after则表示“在（某一具体时间点之后 ）”，in短语和将来时态连用，after短语和 过去时态或将来时态连用。如：Well be back in three days./ After seven the rain began to fall./ What shall we do after graduation?n时间介词in与after 的用法辨析n介词in + 一段时间用于一般将来时。如： Well go to school in two weeks.n介词after + 一段时间用于一般过去时。如： My mother came home after half an hour.n介词after + 时间点常用于一般将来时。如： Well go out for a walk after supper.n1 make a habit of 使.形成一种习惯nget into the habit of 养成染上某习惯nbe in a habit of 惯于, 有某种习惯ncultivate（或form，acquire，develop）a good 养成良好的习惯n3 of course在口语中的用法n 表示：当然；自然。如：n He was late again， of course. 自然他又迟到 了。n Of course Ill help you. 我当然会帮你。n Of course， I wish both of you well. 当然我 希望你们俩身体健康。n He was joking. Of course Im not a poet. 他 是在开玩笑，我当然不是诗人。n 通常在对话中用作回答。如：n A：Are you coming with us？ 你和我们一起 去吗？n B：Of course. 当然啦。ngo to sleep的意思是“入睡”、“睡着”。n因此，go to bed并不等于go to sleep. 如 所周知，一个失眠的人往往在go to bed之 后过了很久也不能 go to sleep. n例：Last night I was too excited to go to sleep昨晚我激动得不能入睡。nI went to sleep at two this morning！n今晨两点我才睡着。nShe usually goes to bed at nine and goes to sleep a few minutes afterwards她通 常九点上床，几分钟后就入睡。 n15 na kind of常可表示不确定的“某种类似”的意 思。 nkinds of 是很多种; nkind of 表示有点，稍稍；若变成be kind of 则表示某人友善的性格； na kind of 表示一种； nall kinds of 表示各种各样的 nShes not the kind of woman to lie.她不 是说谎的人。na kind of常可表示不确定的“某种类似”的 意思。如： I received a gift. It was a kind of plate.我收到一份礼物，是一种类 似盘子的东西。nkind of 相当；有一些： nIm kind of hungry. 我有些饿了 nTryn试图;努力+to-v Well try to improve our teaching methods. 我们要设法改进教学方法。 n尝试,试行+v-ing Lets try knocking at the back door. 咱们敲后边的门试试。 nhelp sb do是指帮的人和sb一起去做, help sb to do是指只有帮的人去做,sb不用 去.nhelp sb with sth在某方面帮助某人做某事 ,help sb (to可加可不加)do sth是帮某人做 某事n二者意思相同，只是一个后跟名词，一个 后跟动词原形。 nDo you have to go to work this weekend? 这句话的中文意思是;n这个周末你不得不去上班吗?n19nmay be和maybe一分一合，但它们的含义和用法却截 然不同。 maybe是副词，意思是“也许、可能”，在句 中作状语，相当于perhaps，常位于句首。n Maybe shell come this afternoon. 她可能今天下午来 。 Maybe you put the letter in your pockets. 大概你 把信放在衣袋里了。 n在may be中，may是情态动词，be是动词原形，两者 构成完整的谓语形式，与主语形成系表结构，意为“也 许是、可能是”。 I cant find my watch. It may be in your pocket. 我找不到我的手表了，它可能在你的口 袋里。 “很多”英语的表达n修饰可数名词：many , a great many of ,several ,some,amount of ,ndozens of , a few 修饰不可数名词：a great much of 都来修饰：a lot of ,lots ofn10 be different from 与.不同nask sb to do sth 要求某人做某事n18 look at 仔细看 看待 考虑 nLook atn.Please raise your head and look at the blackboard.请抬起头来，看黑板。n Look after 照顾 Who will look after your children while you go out to work? 你上班时谁来照料你的孩子? nlook out 向外看; 面向; 朝外 My hotel room looks out across the lake. 从我住 的旅馆房间望出去是一片湖光景色。 n当心; 警惕nTell the children to look out when they cross the main streetn.Look up 查阅 找到nYou can look up this word in the vocabulary. 你可以在词汇表里查这个词 。 n( ) 1.A: How often _ she exercise? B: Twice a week.A. do B. does C. doing D. did ( ) 2. I _ like to drink milk.A.not B. doesnt C. dont D. no ( ) 3. Good food and exercise _ me to study bettter.A. help B. helps C. helping D. to help ( ) 4. Is her lifestyle the same _ yours or different?A. as B. in C. at D. to ( ) 5. I like _ for breakfast.A. a book B. a ruler C. an egg D. a sofan( ) 6. The _are $21.A. glasses B. shoe C. table D. bike ( ) 7. Tennis _ my favourite sport.A. are B. is C. am D. be ( ) 8. I have a tennis and my friend Jim _ two tennis rackets.A. have B. play C. plays D. has ( ) 9. “Lets play computer games.” “That _ interesting.”A. looks B. sounds C. listens D. reads ( )10. My father likes footbal