怎样区分非谓语充当各种句子成分
句子大全之非谓语动词可充当的句子成分
非谓语动词可充当的句子成分一、非谓语动词作主语不定式和动名词都可以作主语。
两者的区别是:表示某一具体的动作时,多用不定式;表示比较抽象的一般的行为时,多用动名词。
当动名词或不定式短语较长时,常用it作形式主语,放在句首,而把动名词或不定式短语放在句末。
例1 it took years of work ______(reduce)the industrial pollution and clean the water.解析:答案为to reduce。
括号内给出了一个动词原形reduce,但是仔细观察句子结构可知,该句已有谓语动词took,因此空格处应填非谓语动词。
“it took(takes)some time to do sth.”是固定句式,意思是“做某事花了多长时间”。
该句型中it是形式主语,真正的主语是后面的不定式短语。
二、非谓语动词作宾语不定式和动名词都可作宾语。
有些动词后只跟不定式作宾语,如want / wish / hope / manage / demand / promise / refuse / pretend / plan / offer / decide / agree / expect等。
有些动词后只跟动名词作宾语,如admit / appreciate / avoid / consider / delay/ dislike / enjoy / escape / finish / forgive / imagine / keep / mind / miss / practice / resist / risk / deny / stand等。
有些动词或动词短语后既可以跟不定式,又可以跟动名词作宾语,但意义上有区别,如forget / remember / regret / try / mean / go on等。
例2 still,the boy kept ______(ride).解析:答案为riding。
如何判断非谓语动词讲解
如何判断非谓语动词讲解非谓语动词是指在句子中具有动词性质,但不作谓语的动词形式。
在判断非谓语动词时,我们可以注意以下几个要点:1. 结构特征:非谓语动词通常由动词原形或动词的-ing、-ed、-en等形式构成。
常见的非谓语动词形式包括:不定式、现在分词、过去分词。
2. 句法功能:非谓语动词可以作为主语、宾语、定语、表语或状语等句子成分。
根据其在句子中的作用,我们可以判断非谓语动词的句法功能。
3. 语义特征:非谓语动词往往具有较强的动作性或状态性。
根据上下文的语义,我们可以推测非谓语动词所表达的动作或状态的特点。
以下是一些常见的非谓语动词及其用法的参考内容:1. 不定式(to + 动词原形):- 作主语:To learn a foreign language well requires a lot of practice.(学好一门外语需要大量的练习。
)- 作宾语:I want to go shopping this weekend.(这周末我想去购物。
)- 作定语:The best way to solve the problem is to ask for help.(解决问题的最好方式是寻求帮助。
)- 作状语:He woke up early to catch the first bus.(为了赶上第一辆公交车,他早早醒来。
)2. 现在分词(动词-ing形式):- 作主语:Painting is my favorite hobby.(绘画是我最喜欢的爱好。
)- 作宾语:I enjoy reading books in my free time.(我喜欢在闲暇时间读书。
)- 作定语:The running water is very clear.(流动的水非常清澈。
)- 作状语:Smiling, she accepted the award.(她微笑着接受了奖励。
)3. 过去分词(动词-ed或-en形式):- 作主语:Broken glass should be handled with care.(破碎的玻璃应小心处理。
句子成分和非谓语动词
句子成分:主语、谓语、表语、宾语、定语、状语、补足语和同位语一、主语:主语是一个句子所叙述的主体,一般位于句首。
但在there be结构、疑问句(当主语不是疑问词时)和倒装句中,主语位于谓语、助动词或情态动词后面。
主语可由名词、代词、数词、不定式、动名词、名词化的形容词和主语从句等表示。
例如:During the 1990s, American country music has become more and morepopular.(名词)We ofte n speak En glish in class.(代词)One-third of the students in this class are girls.(数词)To swim in the river is a great pleasure.(不定式短语)Smoki ng does harm to the health.(动名词)The rich should help the poor.(名词化的形容词)When we are going to have an English test has not been decided.(主语从句)It is necessary to master a foreign Ianguage. (it 作形式主语,真正的主语为后面的不定式)It is reported that 5000 people were killed in the earthquake. (it 作形式主语,真正的主语为后面的主语从句)二、谓语:谓语说明主语所做的动作或具有的特征和状态。
动词在句中作谓语,一般放在主语之后。
谓语的构成如下:He practices running every morni ng. (动词或动词短语)You may keep the book for two weeks. (情态动词+V 原)He has caught a bad cold. (助动词+V)We are stude nts.(系动词+ 表语)三、表语:表语用以说明主语的身份、特征和状态,它一般位于系动词(如be, become, get, look, grow, turn, seem 等)之后。
非谓语动词用法对比
非谓语动词用法对比英语中动词分为两大类:一类是谓语动词,一类是非谓语动词.顾名思义,谓语动词就是在句子中做谓语的动词,即do;而非谓语动词在句子中可以做除了谓语以外的其他任何成分,即doing\to do\done.在句子中充当除谓语以外的各种句子成分的动词形式叫做非谓语动词.非谓语动词有三种:不定式、动名词和分词(现在分词和过去分词).知识要点:一、不定式与动名词做主语:1) 不定式一般表示具体的、特定的行为;而-ing分词一般表示抽象的、一般的行为。
动名词作主语时,它已经将动词名词化了,已把某个动作视为某种活动或事情了,动作意义很弱,比较抽象;而不定式作主语,动作意义强,多指“要去做某事”,这种动作往往是“要发生的一次性动作”,比较具体。
如:To complete the program needs much effort. 完成这项计划需要很大的努力。
Riding a bike can make a man smart. 骑单车能使一个人敏捷。
Smoking is forbiden. 抽烟是禁止的。
To smoke here is not very good. 在这抽烟不太好。
(2) 在疑问句中,只能用动名词的复合结构作主语。
如:Is his speaking reasonable? 她的说话有道理吗?(3) 在某些句型中通常要用动名词短语作主语。
如:It is no use doing…It is no good doing…It is useless doing…It is worthwhile doing…如:It is no use talking your trouble to a man like him. 跟他那样的人谈你的烦恼没有用。
常用不定式做主语的句型有:It’s difficult (important, necessary…) for sb. to do…It’s kind (good, friendly, polite, careless, rude, cruel, clever, foolish, brave…) of sb.to do…(4) 一般说来,作主语和表语的非谓语动词形式应一致,即:或同时为不定式,或同时为-ing 分词。
如何区分三种非谓语动词
如何区分三种非谓语动词在英语中,动词的地位非常重要,它可以充当句子的谓语,同时受主语的限制,必须在人称上和主语一致。
另外,动词在句子中的作用不止于作谓语。
动词不定式,动名词和分词(包括现在分词和过去分词)可以出现在句子中除谓语以外的任何一个位置上,充当句子的主语,表语,定语,宾语,状语等成分,这些动词形式称为非谓语动词。
非谓语动词主要的句法功能一览表。
Ⅰ.不定式与动名词作主语的用法比较:1.动词原形不能在句中作主语。
如果某个动词在句中需作主语,我们可以把它们变成动名词或动词不定式,有时它们的意思没多大区别。
但前后要讲究对称。
如:To see is to belive. = Seeing is believing. 百闻不如一见。
2.一般来讲,在表示比较抽象笼统的一般行为时多用动名词,在表示具体某次动作,特别是将来的动作时,多用不定式。
如:Smoking is bad for health. 吸烟对人身体有害。
(笼统地谈吸烟问题)To finish the job in two days is impossible.要两天之内完成这项工作是不可能.的。
(具体地谈这项工作)3.不定式作主语时,通常用形式主语it于句首,把不定式置于句尾,使句子平稳,以避免头重脚轻。
动名词作主语用后置的情况远不及不定式那么普遍,常限于good, use, a waste of time,useless等词的后面。
如:It is impossible to finish the job in two days.It is no good /use having a car if you can’t drive.如果你不会开车,有车也没用。
It is a waste of time watching TV. 看电视是浪费时间。
4.在There is no……句型中,常用动名词作主语。
There is no doing ……没法做。
句子成分和非谓语动词
句子成分: 主语、谓语、表语、宾语、定语、状语、补足语和同位语一、主语: 主语是一个句子所叙述的主体,一般位于句首。
但在there be 结构、疑问句(当主语不是疑问词时)和倒装句中,主语位于谓语、助动词或情态动词后面。
主语可由名词、代词、数词、不定式、动名词、名词化的形容词和主语从句等表示。
例如:During the 1990s, American country music has become more and more popular. (名词)We often speak English in class. (代词)One-third of the students in this class are girls. (数词)To swim in the river is a great pleasure. (不定式短语)Smoking does harm to the health. (动名词)The rich should help the poor. (名词化的形容词)When we are going to have an English test has not been decided. (主语从句)It is necessary to master a foreign language. (it作形式主语,真正的主语为后面的不定式)It is reported that 5000 people were killed in the earthquake. (i t作形式主语,真正的主语为后面的主语从句)二、谓语: 谓语说明主语所做的动作或具有的特征和状态。
动词在句中作谓语,一般放在主语之后。
谓语的构成如下:He practices running every morning. (动词或动词短语)You may keep the book for two weeks. (情态动词+V原)不定式(do/to do)非谓语动词分词(现在分词doing, 过去分词done)动名词(doing)考点1 非谓语动词作状语★★★★★1. 不定式作状语I was satisfied to hear the news. (To meet the movie star I got up very early. (目的状语)I rushed to school only to find nobody was there. (结果状语)不定式表结果的固定结构:only/just to. . . ; too. . . to. . . ; so/such …asto. . . ;. . . enough(for sb. )to. . .He was too scared to say a word.The girl was so kind as to help the old man off the bus.I’m not such a fool as to believe that.I was lucky enough to be employed(雇佣) as a secretary(秘书).2. 分词作状语Hearing (hear) the good news, he jumped with great joy.Not knowing (know) what to do, I had to wait here.The girls came in, following (follow) their parents.The teacher came in, followed (follow) by some students. Seen (see) from the hill, the city looks like a garden.Seeing (see) from the hill, we can enjoy the view of the city.Given (give) more attention, the children could have grown better.Absorbed (absorb) in reading, we all didn’t hear the sound.Having driven (drive) all day, we were rather tired.【点津】①把握分词与句子逻辑主语之间的关系, 区别现在分词与过去分词; ②不定式作结果状语为主观上意想不到的结果, 现在分词作结果状语为客观上、顺其自然而产生的结果;The poor old man died, leaving nothing to his children.③准确理解形容词化的过去分词作状语的用法;④如果分词的动作和句子主语之间是主动关系, 同时分词动作发生在谓语动词之前时,则用完成式having done。
非谓语动词可充当的句子成分
非谓语动词可充当的句子成分作者:李兰英来源:《高中生·高考指导》2015年第10期一、非谓语动词作主语不定式和动名词都可以作主语。
两者的区别是:表示某一具体的动作时,多用不定式;表示比较抽象的一般的行为时,多用动名词。
当动名词或不定式短语较长时,常用it作形式主语,放在句首,而把动名词或不定式短语放在句末。
例1 It took years of work ______(reduce)the industrial pollution and clean the water.解析:答案为to reduce。
括号内给出了一个动词原形reduce,但是仔细观察句子结构可知,该句已有谓语动词took,因此空格处应填非谓语动词。
“It took(takes) some time to do sth.”是固定句式,意思是“做某事花了多长时间”。
该句型中it是形式主语,真正的主语是后面的不定式短语。
二、非谓语动词作宾语不定式和动名词都可作宾语。
有些动词后只跟不定式作宾语,如want / wish / hope / manage / demand / promise / refuse / pretend / plan / offer / decide / agree / expect等。
有些动词后只跟动名词作宾语,如admit / appreciate / avoid / consider / delay / dislike / enjoy / escape / finish / forgive / imagine / keep / mind / miss / practice / resist / risk / deny / stand等。
有些动词或动词短语后既可以跟不定式,又可以跟动名词作宾语,但意义上有区别,如forget / remember / regret / try / mean / go on等。
非谓语动词是在句子中充当除谓语以外的句子成分的动词形式
非谓语动词是在句子中充当除谓语以外的句子成分的动词形式是动词的非谓语形式.动词一般在句子中充当谓语.在句中可起名词,形容词,副词的作用,在句中充当主语,宾语,表语,补语,定语或状语.即动词的非谓语形式除了不能独立作谓语外,可以承担句子的任何成分3种形式:不定式,分词(现在分词、过去分词),动名词二、非谓语动词用法:(一)动词不定式:(to)+do,具有名词、形容词、副词的特征。
1.不定式的形式:(以动词write为例)否定式:not + (to) do2.不定式的句法功能:(1)作主语:To finish the work in ten minutes is very hard.To lose your heart means failure.动词不定式短语作主语时,常用it作形式主语,真正的主语不定式置于句后,例如上面两句可用如下形式:It is very hard to finish the work in ten minutes.It means failure to lose your heart.(2)作表语:Her job is to clean the hall.He appears to have caught a cold.(3)作宾语:常与不定式做宾语连用的动词有:want, hope, wish, offer, fail, plan, learn, pretend, re fuse, manage, help, agree, promise, prefer, 如果不定式(宾语)后面有宾语补足语,则用it 作形式宾语,真正的宾语(不定式)后置,放在宾语补足语后面,例如:Marx found it important to study the situation in Russia.动词不定式也可充当介词宾语,如:I have no choice but to stay here.He did nothing last Sunday but repair his bike.(4)作宾语补足语:在复合宾语中,动词不定式可充当宾语补足语,如下动词常跟这种复合宾语:want, wi sh, ask, tell, order, beg, permit, help, advise, persuade, allow, prepare, cause, force, call o n, wait for, invite此外,介词有时也与这种复合宾语连用,如:With a lot of work to do, he didn't go to the cinema.有些动词如make, let, see, watch, hear, feel, have等与不带有to的不定式连用,但改为被动语态时,不定式要加to, 如:I saw him cross the road.He was seen to cross the road.(5)作定语:动词不定式作定语,放在所修饰的名词或代词后。
三种非谓语的区别
三种非谓语的区别非谓语动词是指在句子中不作谓语的动词形式,包括动词不定式、动名词和分词。
它们与谓语动词不同,具有一些独特的特点和用法。
下面将分三个部分详细介绍非谓语动词的区别。
一、动词不定式1. 形式区别:动词不定式是动词的一种形式,由“to + 动词原形”构成,例如:to play, to eat。
2. 用法区别:(1)作主语:动词不定式可以作为句子的主语,例如:To learn a foreign language is important.(2)作宾语:动词不定式可以作为及物动词的宾语,例如:I want to go shopping.(3)作目的状语:表示动作的目的或原因,例如:I went to the shop to buy some food.(4)作表语:动词不定式可以作为系动词的表语,例如:Her dream is to become a doctor.(5)作定语:修饰名词,例如:a book to read.(6)作补足语:作为某些动词的补充说明,例如:She made me laugh.二、动名词1. 形式区别:动名词是动词的一种形式,以-ing结尾,例如:playing, eating。
2. 用法区别:(1)作主语:动名词可以作为句子的主语,例如:Swimming is good for health.(2)作宾语:动名词可以作为及物动词的宾语,例如:I enjoy swimming.(3)作目的状语:表示动作的目的或原因,例如:I went swimming to relax.(4)作定语:修饰名词,例如:a running dog.(5)作表语:动名词可以作为系动词的表语,例如:His hobby is playing basketball.(6)作宾语补足语:作为某些动词的补充说明,例如:She saw him dancing.三、分词1. 形式区别:分词是动词的一种形式,分为现在分词和过去分词两种形式,例如:playing, eaten。
非谓语做主干成分(主语宾语表语)-高考英语一轮复习
此外,afford,strive,happen,fail,prepare,demand, wait, 等也要用不定式 to do作宾语。
afford to do sth 负担得起做某事
strive to do sth 努力做某事
happen to do sth 碰巧做某事
fail to do sth
capacity on surveying deep-sea environment. 4.We intended to visit the theme park but end up _g_o_i_n_g__ (go) to the zoo. 5.She enjoys __l_ea_r_n_i_n_g_ (learn) about body language in different cultures
未能够做某事
prepare to do sth 准备做某事
demand to do sth 要求做某事
wait to do sth
等待做某事
2.只能用doing作宾语的动词
避免(avoid)错过( miss )少延期( delay ) 建议( suggest/advise)完成( finish )多练习( practice ) 喜欢( enjoy )想象( imagine )禁不住( resist ) 承认( admit )否定( deny )与妒忌( envy ) 逃脱( escape )冒险( risk )莫原谅( pardon ) 忍受( stand )保持( keep )不在意( mind )
一、非谓语充当主语(doing、to do)
1、to do 做主语,通常位于句首,表示具体的某次动作,谓语动 词用单数。
To finish the homework is necessary. It is necessary to finish the homework.
非谓语动词在句中成分
非谓语动词在句中成分
非谓语动词通常用作动词的补语、定语和状语。
以下是其在句中成分的不同用法:
1. 作主语补语:非谓语动词可以作为动词的主语补语,表示对主语的补充说明。
例如:
- To learn a foreign language is important.(学一门外语是很重要的。
)
- Swimming is good exercise.(游泳是一种很好的运动。
)
2. 作宾语补语:非谓语动词可以作为及物动词的宾语补语,进一步说明宾语。
例如:
- I want to visit Paris.(我想去巴黎。
)
- She made him clean the room.(她让他打扫房间。
)
3. 作定语:非谓语动词可以作为名词的定语,修饰名词。
例如:
- The boy playing basketball is my brother.(打篮球的男孩是我弟弟。
)
- The book written by Mark Twain is famous.(马克·吐温写的书是著名的。
)
4. 作状语:非谓语动词可以作为句子的状语,表示时间、原因、目的、方式等。
例如:
- Walking slowly, he enjoyed the beautiful view.(他缓慢地走着,欣赏着美景。
)
- To pass the exam, she studied hard.(为了通过考试,她努力学习。
)。
怎样区分非谓语充当各种句子成分
shopping center.
表语
• 不定式和动名词作表语相当于一个名词作表语,含义是回答主语“是什么”; • ①表示一定的概念,具有名词的性质,不定式与动名词互换。 • My hobby is collecting/ to collect ancient coins. • My part-time job is teaching/ to teach yoga in school. • ②表示具体的,个别的动作,或含有将来含义时,一般用不定式. • The plan is to set aside a day for the interview. • My wish is to find a part-time job this summer. • Our aim is to help the old lead a happy life. • ③现在分词与过去分词作表语相当于形容词作表语,含义是回答主语“怎么样”。
• Having been well tended for half a year, the patient became far better.
补足语
• ①to do VS Ving 现在分词 • Ving现在分词说明宾语的正在进行的动作或宾语的特性 • To do表示的是动作的整个过程 • I saw him enter the hall.
involves pollution.
定语----注意事项
• 1)现在分词的完成式一般不做定语,除非为非限定性定语(having done, having been done)
第7节非谓语动词的分类及在句子中的成分第2课时
第7节⾮谓语动词的分类及在句⼦中的成分第2课时⾮谓语动词知识点总结在句中充当除谓语以外的句⼦成分的动词形式叫做⾮谓语动词。
⾮谓语动词分为三种形式:不定式、动名词和分词(分词包括现在分词和过去分词)不定式、动名词和现在分词都有时态和语态的变化.不定式⼀、不定式的作⽤1、作主语不定式作主语时,谓语⽤单数。
往往⽤it 作形式主语,把不定式放在谓语后⾯。
如:It took us two hours to finish the job.It is impossible for us to get there on time.It is very kind of you to help us.注意:(1)其他系动词如look, appear等也可⽤于此句型。
(2)当不定式作主语的句⼦中⼜有⼀个不定式作表语时,不能⽤It is …to…的句型。
试⽐较:It is to negate my own idea to believe him.(错)To believe him is to negate my own idea .(对)(3)It is+ adj. of / for sb. to do sth. 结构中,当不定式的逻辑主语和前⾯的形容词可以构成系表结构时,⽤of, 否则⽤ for.2、作宾语(1)动词+不定式。
如:He managed to escape from the fire.I find it hard to get along with him.(it 作形式宾语)注:下列动词通常⽤不定式作宾语:want, try, hope, wish, need, forget, know, promise, refuse, help, decide, begin,start, learn, agree, choose, get等(2)动词+疑问词+to , “特殊疑问句+不定式”相当于名词,作宾语。
如:I don’t know what to do next/ how to do it next.I can’t decide when to go there.注意:不定式短语作宾语时,如果还带有宾语补⾜语,往往把不定式短语放在宾语补⾜语之后,⽤it 作形式宾语。
句子成分和非谓语动词
句子成分: 主语、谓语、表语、宾语、定语、状语、补足语和同位语一、主语: 主语是一个句子所叙述的主体,一般位于句首。
但在there be 结构、疑问句(当主语不是疑问词时)和倒装句中,主语位于谓语、助动词或情态动词后面。
主语可由名词、代词、数词、不定式、动名词、名词化的形容词和主语从句等表示。
例如:During the 1990s, American country music has become more and more popular. (名词)We often speak English in class. (代词)One-third of the students in this class are girls. (数词)To swim in the river is a great pleasure. (不定式短语)Smoking does harm to the health. (动名词)The rich should help the poor. (名词化的形容词)When we are going to have an English test has not been decided. (主语从句)It is necessary to master a foreign language. (it作形式主语,真正的主语为后面的不定式)It is reported that 5000 people were killed in the earthquake. (i t作形式主语,真正的主语为后面的主语从句)二、谓语: 谓语说明主语所做的动作或具有的特征和状态。
动词在句中作谓语,一般放在主语之后。
谓语的构成如下:He practices running every morning. (动词或动词短语)You may keep the book for two weeks. (情态动词+V原)不定式(do/to do)非谓语动词分词(现在分词doing, 过去分词done)动名词(doing)考点1 非谓语动词作状语★★★★★1. 不定式作状语I was satisfied to hear the news. (To meet the movie star I got up very early. (目的状语)I rushed to school only to find nobody was there. (结果状语)不定式表结果的固定结构:only/just to. . . ; too. . . to. . . ; so/such …asto. . . ;. . . enough(for sb. )to. . .He was too scared to say a word.The girl was so kind as to help the old man off the bus.I’m not such a fool as to believe that.I was lucky enough to be employed(雇佣) as a secretary(秘书).2. 分词作状语Hearing (hear) the good news, he jumped with great joy.Not knowing (know) what to do, I had to wait here.The girls came in, following (follow) their parents.The teacher came in, followed (follow) by some students. Seen (see) from the hill, the city looks like a garden.Seeing (see) from the hill, we can enjoy the view of the city.Given (give) more attention, the children could have grown better.Absorbed (absorb) in reading, we all didn’t hear the sound.Having driven (drive) all day, we were rather tired.【点津】①把握分词与句子逻辑主语之间的关系, 区别现在分词与过去分词; ②不定式作结果状语为主观上意想不到的结果, 现在分词作结果状语为客观上、顺其自然而产生的结果;The poor old man died, leaving nothing to his children.③准确理解形容词化的过去分词作状语的用法;④如果分词的动作和句子主语之间是主动关系, 同时分词动作发生在谓语动词之前时,则用完成式having done。
句子成分和非谓语动词
句子成分: 主语、谓语、表语、宾语、定语、状语、补足语和同位语一、主语: 主语是一个句子所叙述的主体,一般位于句首。
但在there be结构、疑问句(当主语不是疑问词时)和倒装句中,主语位于谓语、助动词或情态动词后面。
主语可由名词、代词、数词、不定式、动名词、名词化的形容词和主语从句等表示。
例如:During the 1990s, American country music has become more and more popular. (名词)We often speak English in class. (代词)One-third of the students in this class are girls. (数词)To swim in the river is a great pleasure. (不定式短语)Smoking does harm to the health. (动名词)The rich should help the poor. (名词化的形容词)When we are going to have an English test has not been decided. (主语从句)It is necessary to master a foreign language. (it作形式主语,真正的主语为后面的不定式)It is reported that 5000 people were killed in the earthquake. (it作形式主语,真正的主语为后面的主语从句)二、谓语: 谓语说明主语所做的动作或具有的特征和状态。
动词在句中作谓语,一般放在主语之后。
谓语的构成如下:He practices running every morning. (动词或动词短语)You may keep the book for two weeks. (情态动词+V原)He has caught a bad cold. (助动词+V)We are students. (系动词+表语)三、表语: 表语用以说明主语的身份、特征和状态,它一般位于系动词(如be, become, get, look, grow, turn, seem等)之后。
四种非谓语动词都可做表语和定语,如何轻松区分它们的用法?
四种非谓语动词都可做表语和定语,如何轻松区分它们的用法?要回答这个问题,首先我们要知道有哪四种非谓语动词,还有什么叫非谓语动词或者为什么叫非谓语动词。
非谓语动词是对应谓语动词来说的,为了方便大家理解,我们拿简单句举例,大家都知道,一个简单句中只有一个谓语动词,比如I speak English. He speaks English. They speak English. 其中Speak 就是谓语动词,Speak受人称和数的影响,第一人称第二人称用原形,第三人称单数加s,第三人称复数They用原形。
但是一个句子种除去谓语动词外,还会有别的动词存在,比如I go home to do my homework.我回家写作业。
这个句子中有两个动词形式,但做谓语的只有一个就是Go, 另一个动词则采用了不定式结构to do,表回家的目的是为了写作业,作目的状语,这里的to do就是非谓语动词形式,非谓语动词to do不受人称和数的影响。
非谓语动词主要有四种形式,分别是:不定式,动名词,过去分词,现在分词。
其中因为动名词和现在分词变化都是动词+ing组成,但二者使用方式是不一样的。
下面我们在说一下什么是表语,什么是定语。
表语是用来说明主语的身份、性质、品性、特征和状态的。
不定式作表语: Today my task is to clean the window.今天我的任务是清洁窗户。
表具体,将来,含有目的性,通常是一次性的。
动名词作表语:My hobby is reading.我的爱好是阅读。
表经常发生的,抽象性的。
分词作表语:现在分词说明主语的特征,过去分词说明主语的状态。
比如: This dog is frightening. 这是条令人害怕的狗。
This dog is frightened. 这条狗很害怕。
说明狗自己的状态,可能狗 看到老虎了,很害怕,被吓到了。
那么什么是定语呢?定语是用来修饰、限定、说明名词或代词的品质与特征的。
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involves pollution.
定语----注意事项
• 1)现在分词的完成式一般不做定语,除非为非限定性定语(having done, having been done)
• The question having been discussed for many years has now been solved. • The question discussed(=which has been discussed) for many years has
• ②done, being done, having been done作为状语的区别 • being done(动名词一般被动):表示伴随状语,一般
被done取代 • done(过去分词):已被做完,或表示完成 • having been done(现在分词完成被动):强调主句动
作已经完成,或已经持续一段时间的动作或状态,如果 不强调时间先后,或动作持续,直接用done • 试辨析
• Having been well tended for half a year, the patient became far better.
补足语
• ①to do VS Ving 现在分词 • Ving现在分词说明宾语的正在进行m enter the hall.
现在分词表示自身的性质,过去分词表示外因使之具备的性质或特征。
• Your speech is very encouraging. • The story is very moving. • I was disappointed at this decision. • The child was frightened to see the dog. • 试辨析 • 1、His job is to paint the walls. 他的工作是粉刷这些墙 • 2、His job is painting walls. 他的工作是粉刷墙
非谓语充当句子成分的区分
主语-----Ving&to do
• To do:具体的某一次动作或将来动作,强调的 是动作的本身。
• Ving:一般的,抽象的,泛指的概念或一个已 经完成的动作,强调的是事情本身。
• 试辨析: • To visit China is my next goal. • To look after these naughty boys is really difficult. • Climbing mountains is great fun. • Collecting stamps can enlarge one’s knowledge.
愿的动词后的宾补如果用to be done,省略to be,从而使句子的语气更显 得坚决)
• 试辨析
• We would like all the walls(to be) painted white.
• I don’t like such things (to be )discussed this way.
• The question being discussed now involves pollution. • The question discussed yesterday involves pollution. • The question, having been discussed for many years,
状语
• ①To do 在作为结果状语一般表示出乎意料的情况, 常见结构有too…to, enough …to等。不定式前可以加 only作强调。
• Ving现在分词作为状语主要表示一种顺其自然的情 况(前面是后面的原因)
• 试辨析 • He left home, never to return. • We arrived there only to find the meeting over. • The rain lasted a week, causing great damage. • The pop star didn’t turn up, disappointing all her fans. • The room are all large enough to take a third bed.
宾语-----to do& ving
• 1)相差不大的类型 • Like, hate, begin, start, prefer, continue等。 • After a short rest, she started working/to work. • I prefer walking/to walk to school. • Despite the difficulties, we continued doing/to do the research. • 2)相差很大的类型 • Try, regret, forget, remember, mean等。 • ① Try to do sth 尽力做某事 try doing sth试着做某事 • He tried to stand up but failed. • Let’s try telling him about the sad news. • ②regret to do sth对将要做的事感到抱歉或遗憾,regret doing sth对已发生的事感到
• Every one of us would expect our salaries(to be) raised.
• We all don’t want the land (to be) built on.
1. My daughter stopped screaming immediately and looked up at me with tears ______(roll) down her cheeks.
后面 • Fallen leaves falling tree changed situation changing situation • Developed country developing country boring meeting broken cup • The man reading the newspaper there is our English teacher. • The English spoken in America is a little different from that in English.
possible. • He gave me advice on how to quit smoking. • We’re talking about where to set up a school
shopping center.
表语
• 不定式和动名词作表语相当于一个名词作表语,含义是回答主语“是什么”; • ①表示一定的概念,具有名词的性质,不定式与动名词互换。 • My hobby is collecting/ to collect ancient coins. • My part-time job is teaching/ to teach yoga in school. • ②表示具体的,个别的动作,或含有将来含义时,一般用不定式. • The plan is to set aside a day for the interview. • My wish is to find a part-time job this summer. • Our aim is to help the old lead a happy life. • ③现在分词与过去分词作表语相当于形容词作表语,含义是回答主语“怎么样”。
•④ • to be done(to do一般被动):即将被做 • being done(动名词一般被动):正在被做 • done(过去分词):已被做完,或表示完成 • having been done(现在分词完成被动):非限定
定语,逗号与被修饰词隔开。 • 试辨析
• The question to be discussed tomorrow involves pollution.
定语
• ①不定式表示未发生的动作,或通常发生的动作,一般放在被修饰 词后面。
• The next thing to do is to encourage Mary to walk on. • The school to be built next month is intended for disabled children. • He is always the first to come and the last to leave. • ②动名词作定语,一般表示用途,一般放在被修饰词的前面 • A walking stick a measuring tape a washing machine a reading room • ③现在分词表示主动,过去分词表示被动 • 单个分词作定语往往放在被修饰词前面,分词短语多置于被修饰词