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1、be 动词be动词的几种形式动词的几种形式1)am is are2)was were3)being4)been be动词的用法3.Be 动词在时态中的运用动词在时态中的运用1)在现在进行时中在现在进行时中 We are talking （交谈）（交谈）now.2)在过去进行时中在过去进行时中 We were talking （交谈）（交谈） at this time yesterday. 助动词助动词的几种形式助动词的几种形式1) do /dont 2) does/ doesnt3) did/ didnt4) will /wont5) have, havent /has, hasnt/had
2、hadnt 助动词的用法 1.对句子进行否定和疑问对句子进行否定和疑问1)Do you get up early every day?2)I didnt （没）（没）have lunch yesterday.3)Will you be back soon?4)He hasnt （没）（没）finished the work yet.2.在反意疑问句中在反意疑问句中1)He works in a school, doesnt he?2)She has never been there,has she?3.在倒装句中在倒装句中1)They helped the farmers , so did w
3、e.2)I wont visit the famous singer,neither will he.情态动词1.共同特点共同特点1)情态动词后面跟动词原型情态动词后面跟动词原型2)无论否定、疑问、倒装句、或反意疑无论否定、疑问、倒装句、或反意疑问句都用情态动词问句都用情态动词3)只有时态变化，没有人称变化只有时态变化，没有人称变化 情态动词 2.解释解释1)can / could在表示请求允许的时候两者和互换，在表示请求允许的时候两者和互换， could比比can语气更委婉。语气更委婉。Can I help you?Could you open the window?在表示有能力作某事时，在
4、表示有能力作某事时，could是是can的的过去式。过去式。I can swim.I could swim at the age of five.情态动词 2)Must /have toMust 表示主观意愿，否定句用表示主观意愿，否定句用Mustnt，否，否定回答用定回答用needntI must go now.You mustnt play in the street.Must I clean the room now?No,you neednt.have to表示客观条件的限制的表示客观条件的限制的“不得不不得不”，它有时态和人称变化，需要助动词来否定和它有时态和人称变化，需要助动词来否
5、定和疑问。疑问。I dont have to carry the big box.He had to wash his clothes.情态动词2.解释解释3)May 表示请求别人允许。表示请求别人允许。May I use your bike?表示可能性。表示可能性。He may be a teacher.He may live in this building. 系动词 1.我们所学过的系动词是我们所学过的系动词是1)变成类变成类get，turn，become，make2)感观动词感观动词look，sound，smell，taste，feel3)似乎类似乎类 seem appear4) 保持
6、类保持类stay keep2.系动词只和形容词连用，构成系表结构系动词只和形容词连用，构成系表结构1)I feel hungry.2)The day gets longer and longer.3)He looked happy.实义动词1.实义动词指的是有具体行为意思的动实义动词指的是有具体行为意思的动词。词。2.实义动词在句中可以做谓语动词和非实义动词在句中可以做谓语动词和非谓语动词。谓语动词。3.做谓语动词的用法做谓语动词的用法 动词会有四种形式：单三，现在分词，动词会有四种形式：单三，现在分词，过去式，过去分词过去式，过去分词 实义动词注意：掌握四种形式的变化规律1)He works
7、 in the office.2)We are dancing together.3)I caught a cold last week.4)She has watered the flower. 实义动词4.做非谓语动词的用法（指出现在谓语动词做非谓语动词的用法（指出现在谓语动词之后的动词，它受前面谓语动词的限制）之后的动词，它受前面谓语动词的限制） 动词会有三种形式：动词会有三种形式：1)原型原型(do)2)动名词动名词(doing)3)不定式不定式(to do) 实义动词1)用原型：用原型：a)let sb. dob)make sb. doc)help sb.(to) dod)had b
8、etter do 实义动词2)用动名词：用动名词：a)like doingb)enjoy doingc)finish doingd)介词之后用动名词介词之后用动名词 be good at doingwhat about doingthank you for doing 实义动词 3)用不定式：用不定式：a)want to dob)decide to doc)plan to dod)would like to doe)learn to dof)tell sb. ( not) to dog)ask sb. (not) to do实义动词注意下列词不同形式的不同用法: remember doing/
9、to do forget doing/to do stop doing/to do go on doing/to do 短短语例句例句answer for对负责You will answer for what youve done.ask for请求求The boy asked for more food.care for喜喜欢；照料；照料He doesnt care for playing e across偶然碰到偶然碰到I came across an old friend in the street.call up打打电话I shall call her up soon.call for
10、叫叫(人人)He will call for you in the evening.call on号召号召The Party called on us to study hard.give up放弃放弃Never give up hope.get over克服，渡克服，渡过Youll soon get over your shyness.get on进展展He is getting on well with the work.get in收收进The peasants got in the wheat in May.go through通通过；细察察She went through the b
11、ook before buying it.go over复复习，看一遍，看一遍She went over the lessons for three times.go without放弃，没有也行放弃，没有也行He had to go without food.head for 朝朝去去The ship is heading for the nearest port.look up查寻；向上看；向上看He is looking up a new word in the dictionary.look through翻翻阅；浏览The boy looked through the picture
12、 book.put up挂起挂起She put up a picture on the wall.put off推推迟The match is put off owing to the rain.run over辗过去去The bus ran over his legs.result from由由引起引起His illness results from overeating.result in导致致Overeating results in his illness.set about着手干着手干They set about the work at once.set out出出发They set
13、 out at dawn.see to保保证See to it that the work is done well.send for派人派人请We have sent for the doctor.stand for代表代表What does “U.S.” stand for？turn to翻到，翻到，转向向Please turn to page 10.take off脱去脱去She asked him to take off the coat.turn out结果是果是The day turned out fine.turn up出出现He didnt turn up until elev
14、en oclock.过去分词介词过去分词介词( (这类短语常同连系动词连用这类短语常同连系动词连用) )短短语例句例句be absorbed in全神全神贯注于注于He is absorbed in reading.be dressed in穿着穿着She is dressed in red.be engaged to与与订婚婚Mary is engaged to John.be joined to连接，接，结合合One pipe is joined to another.be made up of由由构成构成A car is made up of many different parts.b
15、e prepared for准准备好好They are prepared for the journey.be tired of(with)对厌烦He is tired of this kind of life.动词副词介词动词副词介词短短语例句例句add up to总计为The income adds up to 1,000 dollars.break away from改掉，与改掉，与脱离关系脱离关系He has broken away from the bad habit.catch up with赶上赶上I can catch up with them.get down to开始开始认
16、真做真做Lets get down to business.get on(along)with进展，相展，相处He got on well with people here.go in for参加，参加，爱好好He has gone in for the longjump.go ahead with进行，行，继续下去下去He went ahead with the work and got it done.keep away from与与脱离关脱离关系，改掉系，改掉You should keep away from those bad children.keep up with跟上跟上She
17、cant keep up with others.live up to不辜不辜负We shall live up to his teachings.look out for提防，照看提防，照看Look out for cars when crossing the street.look back upon回回顾He likes to look back upon his school days.look down upon轻视，不重，不重视Dont look down upon him.look forward to盼望盼望He looks forward to seeing her.put
18、up with忍受，容忍忍受，容忍I just cant put up with that kind of man.run out of用完用完I have run out of ink.watch out for当心，提防当心，提防Watch out for thieves in the street.动词介词名词动词介词名词短短语例句例句come into use开始使用，开始使用，实施施The new tool came into use two years e into power当当权，执政政The king came into power last e into effect开始生
19、效开始生效The new rule will come into effect e into being产生，建立生，建立The custom came into being long long ago.put sth.to use使用，利用使用，利用You should put the dictionary to a good use.3.Emergency line operators must always _ calm and make sure that they get all the information they need to send help. A.grow B.appear C.become D.stay 4.In this seaside resort，you can _ all the comfort and convenience of modern tourism. A.enjoy B.apply C.receive D.achieve 12.These teenagers dont know much of the world yet；thats why they are so easily _. A.taken in B.taken on C.taken up D.taken off
