中考专题复习 非谓语动词ppt课件.ppt
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1、,中考专题复习 非谓语动词,April 13th, 2014,一、定义 不充当句子谓语的动词叫做非谓语动词。它们不受主语限制,无时态与语态变化,又称非限定性动词。二、形式1. 动词不定式(to do sth. )2. 动名词(v. -ing) 现在分词(v. -ing)3. 分词 过去分词(v. -ed或不规则变化),考点一 不定式1不定式的基本形式是to动词原形,它具有动词的特点,即可以有自己的宾语和状语,但它没有人称与数的变化,在句中也不能作谓语,动词不定式和自己的宾语或状语构成不定式短语。My father asked me not to read in bed.我爸爸告诉我不要在床上读
2、书。,(1)作主语动词不定式作主语时,常用it作形式主语,而将真正的主语放在句末,Itbe形容词(for sb.)动词不定式。Its important (for us) to protect the environment.(对我们来说)保护环境是很重要的。注:当在kind,good,nice,clever等表示人的品质的形容词后,不用for而用of。Its very kind of_you_to_help_me.你帮助我真是太好啦。,2不定式的句法作用,(2)作宾语一些谓语动词后只能用不定式作宾语,常见的这类词表示命令、打算或希望,如:would like,want,wish,hope,d
3、ecide,plan,expect等。Would you like to_see_a_film this evening?你今晚想去看电影吗?在find,think后跟不定式作宾语时,常用it代替,而将真正的宾语放在句末。I find it easy to_read_English_every_day.我发现每天读英语很容易。,(3)宾语补足语动词不定式作宾补时,它与宾语有逻辑上的主谓关系。Lucy asked him to_turn_down_the_radio.露西要他关小收音机的音量。(4)作定语动词不定式作定语时,应放在名词之后,它与名词有逻辑上的动宾关系。I have a lot o
4、f homework to_do.我有许多家庭作业要做。,(5)作状语Mrs Wang went to Shanghai to_see_her_daughter.(目的)王太太去上海看她女儿。Were glad to_meet_you here. (原因)我们很高兴在这见到你。He is too tired to_work_on.(结果)他太累了而不能继续工作。,3不定式的否定形式是在不定式前加not。They told us not_to_play basketball too long.他们告诉我们不要玩太长时间篮球。,【温馨提示】1. help后接不定式时可以省略to;2. 有些动词后接
5、不定式时通常省略to:feel, hear, see, watch, notice, let, make, have(简记为一感一听三看三让)。上述动词变为被动语态后,其后的不定式必须补上“to”。,Tom helped his brother (to) learn to swim. 汤姆帮他的弟弟学习游泳。变为被动语态:His brother was helped to learn to swim by Tom. We often hear Jack sing English songs. 我们常听见杰克唱英文歌。变为被动语态:Jack is often heard to sing Engl
6、ish songs.,【牢记】以下词后跟不定式1. want, would like, get, decide, learn, teach, wish, hope, expect, agree, plan, pretend, enough, dare, refuse, fail, prepare, try, manage, help, offer, beg, afford, promise, be+形容词后, 疑问词后, 序数词后 ,the+形容词最高级后2. be supposed do sth,be uesed to do sth, uesd to do sth(过去常常做某事)try o
7、nes best to do sth, cant wait to do sth,3.句子:Its ones duty to do sth. It takes sb +钱或时间to do sth.,考点二 动名词 动名词由动词原形ing构成,与现在分词同形。动名词既有动词的性质,也有名词的性质,在句中可作主语、宾语、表语、定语和状语等。,【牢记】,1.其后常接动名词的动词及动词词组有finish,enjoy,practice,understand,mind,keep,consider,miss,avoid(避免),suggest,admit,be worth,have difficulty/pr
8、oblems/trouble/fun,waste time,cant help/cant stop,be used to(习惯于),所有介词等,2. 其后既可以接动名词,也可接动词不定式的动词有love,like,prefer,begin,start,continue,remember,try,stop,forget,hate,need,allow,go on等。,3当need,require,want作“需要”解时,后加动名词主动式等于不定式的被动式。The window needs cleaning.The window needs to be cleaned.那扇窗户需要被清洗。,4.
9、部分动词既可接动名词作宾语,又可接不定式作宾语,两者意义区别较大。remember doing sth. 记得做过某事remember to do sth. 记得去做某事(未做)forget doing sth. 忘了做过某事forget to do sth. 忘了去做某事(未做)stop doing sth. 停止做某事stop to do sth. 停下来去做某事,need doing sth. 需要做某事(被动含义)need to do sth. 需要去做某事(主动含义)try doing sth. 尝试做某事try to do sth. 尽力做某事hear/see sb. doing
10、sth. 听见/看见某人正在做某事hear/see sb. do sth. 听见/看见某人做了某事,allow doing sth. 允许做某事allow sb to do sth. 允许某人做某事go on to do sth 做完一件事,接着做另一件事go on doing sth. 继续不停做某事,考点三 分词 1. 分词的构成分词分为现在分词和过去分词两种。现在分词由“动词+-ing”构成。过去分词的基本形式是“动词+-ed”,但也有不规则的形式。,2. 分词的句法功能,2.现在分词和动词不定式作宾语补足语的区别。我们常见的动词如:see,watch,notice,hear,feel,
11、have等,它们接不带to的不定式作宾补,表示已经完成了的或经常性的动作;接现在分词作宾补,表示动作正在进行着。I heard him singing in the classroom.我听到他正在教室里唱歌。(“唱”这个动作正在进行)I heard him sing in the classroom.我听到他在教室里唱歌了。(“唱”这个动作已结束),3.现在分词与过去分词的区别。在语态上,现在分词表示主动意义,过去分词表示被动意义。the surprising news令人惊讶的消息a surprised man 一个受惊吓的人在时间上,现在分词表示正在进行的动作,过去分词表示已经完成的动作
12、。the developing country 发展中国家the developed country发达国家4.易混句式have sb.do sth.have sb.doing sth.和have sth.done的区别。,have sb.do sth.意为“让某人做某事”,have可以用let,make代替。不定式往往表示一次性的具体动作,且强调动作已经完成或尚未发生。The soldiers had the boy stand with his back to his father.士兵们让这个男孩背对他的父亲站着。have sb.doing sth.意为“让某人做某事”,have可以用k
13、eep代替,现在分词(doing)这个动作往往具有持续进行的含义。The two men had the boy running all night long.那两个人让这个男孩跑了一夜。,have sth.done意为“让某人做某事”,即ask sb.else to do sth.。过去分词(done)这个动作由他人(即非主语本身)来完成,含有被动意义且强调动作已经完成。The driver had his car washed once a week.那位司机每周叫人洗一次车。,一. 单项选择1. (2012安顺中考)Do you know whether the man _ by the
14、 door is Mr. Smith? Sure. Weve known each other for a long time. A. stand B. standing C. stood D. stands【解析】选B。standing by the door是现在分词短语作后置定语表示动作正在进行,与被修饰的man之间存在主动关系。故选B。,2. (2012随州中考)Its dangerous _ with the wild animal. A. for us to play B. of us playingC. for us playing D. of us to play【解析】选A。
15、Its+adj. +for sb. to do sth. 意为“做某事对某人”,其中it为形式主语,动词不定式to play with the wild animal是真正的主语,故选A。,3. (2012自贡中考)When are you going to have your hair _? This afternoon. A. cut B. to cut C. cutting【解析】选A。have sth. done“让被做”。过去分词作宾语补足语,与所修饰的宾语之间存在被动关系。故选A。,4. (2011山西中考)Drivers shouldnt be allowed _ after d
16、rinking, or they will break the law. A. drive B. driving C. to drive 【解析】选C。allow sb. to do sth. “允许某人做某事”,其被动语态为sb. be allowed to do sth. “某人被允许做某事”。故选C。,5. (2011重庆中考)We dont know _ it next. Lets go and ask Mr. Li. A. what to do B. to do whatC. whether to do D. to do whether【解析】选C。“特殊疑问词+ to do”在此作
17、know的宾语,再由it可知,句中已有动词do的宾语,故选C。,6. (2011绵阳中考)Our English teacher encourages us _ part in all kinds of after-class activities. A. to take B. takeC. taking D. to taking【解析】选A。encourage sb. to do sth. 鼓励某人做某事。,7. (2011江西中考)How kind you are! You always do what you can _ me. A. help B. helpingC. to help
18、D. helps【解析】选C。动词不定式短语to help作目的状语。,8. (2011济南中考)The woman loves animals and she tries _ these homeless animals. A. to hurt B. to eatC. to help D. to kill【解析】选C。try to do sth. “努力做某事”。句意:这位女士喜欢动物,她努力地去帮助这些失去家园的动物。故选C。,9. (2011眉山中考)Its a little cold today. Would you mind _ the window? Of course not.
19、A. not opening B. not to openC. dont open D. no opening【解析】选A。Would you mind doing sth. ? “你介意做某事吗?”, 其否定形式为Would you mind not doing sth. ?,10. (2011昆明中考)The reporter didnt go to bed until he finished _ the article. A. writing B. write C. to write D. wrote【解析】选A。 finish doing sth. 完成某事。故选A。,一、单项选择1(
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