动词讲解与训练一、动词的分类: 根据其在句中的功能,动词可分为四类,分别是:实义动词(行为动词)、连系动词、助动词、情态动词 1.实义动词有完整的词义,能单独做谓语.根据用法,可分为及物动词(vt.后面直接跟名词或代词作宾语)和不及物动词(vi不能直接跟名词或代词,加宾语时必须加介词)同一动词有时可用作及物动词,有时可用作不及物动词例如: She can dance and sing. 她能唱歌又能跳舞sing在此用作不及物动词 She can sing many English songs.她能唱好多首英文歌曲sing用作及物动词 但也有一些动词只能用做及物动词,如:visit, ask, win, tell, answer, feel, serve, marry, discuss, beat, reach, kill, drop 等. 而下列一些动词通常情况下只能用做不及物动词:reply (to), return (to), point (to, at), knock (at, on, into), wait (for), listen (to), arrive (at, to), fall (down, off), look (at, after…)2.连系动词(Link Verb)它本身有词义,但不能单独用作谓语,后边必须跟表语,构成系表结构说明主语的状况、性质、特征等情况。
常见的连系动词有:be, feel, become, look, smell, seem, taste, sound, keep, 其它一些可以和形容词连用的动词也属于连系动词:fall ill / asleep, grow worse, turn red, get lost, keep healthy等3.助动词:本身没有词义,不能单独作句子的谓语, 只能与主要动词一起构成谓语.主要帮助句子构成否定、疑问以及动词的不同时态、语态等语法特征常见的助动词有:be, do (does, did), have / has, had, will, would 等4.情态动词:本身有一定的词义,单不能单独做谓语,后面必须跟其它动词的原形,表示说话人的语气和态度;常见的情态动词有:can (could), may(might), must, need 等1) can *能,会(表示能力); *请求许可 can’t be 不可能could: can的过去式,但有时表示委婉的语气2) may *可能(可能性); *可以(请求许可,相当于can); *表示祝愿 May you be happy! May you succeed!might * may的过去式; *表示可能性(但可能性比may小)(3) must 必须,应该 mustn’t 禁止 must be 肯定, 一定(4) need 需要(一般用于否定句或疑问句,肯定句中一般用做实义动词) needn’t (= don’t have to)没必要二、动词有五种形态,分别是:原形(Original Form)、第三人称单数形式(Singular From in Third Personal)、过去式(Past Form)、过去分词(Past Participle)、现在分词(Present Participle)。
三、动词的时态:时 态结 构时 态结 构一般现在时动词原形(第三人称单数)一般过去时动词的过去式现在进行时am / is / are+动词的过去进行时was / were+动词的一般将来时will +动词原形am/ is / are going to+动词原形过去将来时would+动词原形was / were going to+动词原形现在完成时have / has +过去分词过去完成时had+过去分词① 各种时态的用法省略② go, come, arrive, leave, move, die等动词的进行时态可以表示对应的将来时态③ 表示过去经常发生而现在不再做的事情用used to do 四、动词的被动语态1. 用法:动作的承受者作句子的主语2. 基本结构:be + 过去分词 掌握下列一些常见结构: 1.)一般现在时态:am / is / are + 过去分词 2.)一般过去时:was / were + 过去分词 3.)现在完成时:have / has been + 过去分词 4.)一般将来时:will be +过去分词或者be going to be +过去分词 3.含情态动词的被动语态结构:情态动词 + be + 过去分词 4.动词不定式的被动语态结构:to + be + 过去分词 There are twenty more trees to be planted. 5. 下列动词的主动语态表示被动语态。
miss(丢失), sell well(销路好), need / want doingMy bike is missing. This kind of food sells well. Your coat needs watering. 6. happen, take place发生, last(持续), cost, hold(容纳), have, like, feel, sound(听起来)等动词 没有被动形式 Great changes have taken place in our school. The water can last three days. Silk feels soft and smooth. The cake looks nice. An accident happened to him.五、动词不定式:由to + 动词原形构成,没有人称和数的变化,有时to可以省略在句中除了不能做谓语外,能够作其他一切成分还能拥有自己的宾语和状语,构成不定式短语1、动词不定式的句法功能:*做主语常用It + be + 形容词+ ( of / for sb. ) + to do sth.结构。
of: good, bad, polite, kind, nice, clever, right, careful等 for: important, necessary, difficult, possible, dangerous等*做表语常用在等连系动词后面,若主语很长而表语很短,可以将两者颠倒过来 His job is to sell the computers. He seems to be interested in the detective stories.*做状语表目的:She was here to visit her daughter. 表原因:I’m sorry to trouble you.表结果:The box is too heavy to carry. 表示程度:This room is big enough to hold 200 people.*做定语放在被修饰的名词或代词之后,若它与所修饰的名词有动宾关系,这个不定式应为及物的如:I was the first to come. I have no pens to write with. (动宾关系)*做宾语。
常见的动词有:want, agree, choose, try, decide, hope, wish, learn, fail, would like to do sth.*做宾语补足语 1.)必须使用 to的动词有:ask, tell, order, take, invite, want, wish, follow, wait for, teach, would like, allow sb. to do sth. 2.)不能使用to的动词有:have, make, let; see, watch, hear, notice sb. do sth注意:在主动语态中,to 要省略;而在被动语态中,to 必须加上 3.)可以使用to,也可以不用的动词:help*疑问词(除why外) + 动词不定式 (what, when, how, where, which + to do sth.)2. 下列一些动词后面只能跟动名词(动词的 –ing 形式)作宾语: enjoy, finish, mind, excuse, practice, keep, miss, spend, can’t help be busy, be worth, keep on, carry on3. 下列一些动词后面可以跟动词不定式也可以跟动名词。
1.)意义相同或相近的有:begin, start, like, love, hate, prefer, plan 2.)意思不同的有:forget, remember, stop, see, hear, go on 4. 注意: had better (not) do sth, would rather (not) do sth5. 动词不定式的否定形式直接在不定式前面加to 短语动词的辨析ww.zk5u.ecom(1)be made in(在……生产或制造),be made of(由……组成或构成)(2)come down(下来;落),come along(来;随同),come to oneself(苏醒),come true(实现),come out(花开;发芽;出现;出来),come over(过来;顺便来访),come in(进来),come on(来吧;跟着来;赶快), come up with(找到;提出)(3)do one’s best(尽最大努力), do well in(在……干得好), do one’s homework(做作业),do some reading(阅读)(4)fall asleep(入睡),fall behind(落在…..后面),fall off(从……掉下),fall down(到下;跌倒)(5)get down(下来;落下),get on(上车),get to(到达),get up(起床),get back(回来;取回),get off(下来),get on well with(与……相处融洽),get married(结婚),get together(相聚)(6)give up(放弃),give…a hand(给与……帮助),give a concert(开音乐会)(7)go back(回去),go on(继续),go home(回家),go to bed(睡觉),go over(过一遍;仔细检查),go out(外出;到外面),go wrong(走错路),go on doing(继续做某事),go shopping(买东西),go boating(去划船), go fishing(去钓鱼),go hiking(去徒步旅行),go skatin。