英语语法倒装句 篇一
倒装句是英语语法中一种常见的句式结构,它的特点是将主语和谓语动词的位置调换。倒装句在英语中的使用较为灵活,可以用于不同的语境中,增加语言表达的变化和丰富性。本文将通过介绍倒装句的几种常见用法来帮助读者更好地理解和运用这一语法结构。
一、完全倒装句
完全倒装句是最常见的倒装句结构。在陈述句中,当谓语动词位于主语之前时,就需要使用完全倒装句。例如:
1. She is going to the park. → Going to the park is she.
2. They have finished their homework. → Finished their homework have they.
在问句中,完全倒装句是由助动词、情态动词或系动词加主语组成。例如:
1. Is she going to the park? → Going to the park is she?
2. Have they finished their homework? → Finished their homework have they?
二、部分倒装句
部分倒装句是将助动词或情态动词放在句首,其余部分保持原序。常见的情况是在祈使句或以否定词开头的句子中使用部分倒装句。例如:
1. Open the window, please. → Please open the window.
2. Never have I seen such a beautiful sunset. → I have never seen such a beautiful sunset.
三、地点状语倒装句
当地点状语位于句首时,需要使用地点状语倒装句。在这种情况下,谓语动词和主语之间不需要加入助动词。例如:
1. In the garden sat a little girl.
2. On the top of the mountain stands a tall tree.
四、条件状语倒装句
在条件状语从句中,如果将条件状语置于句首,需要使用条件状语倒装句。例如:
1. Should you have any questions, please let me know.
2. Had I known it earlier, I would have helped you.
以上是倒装句的几种常见用法,通过灵活运用这些句式结构,我们可以使语言表达更加丰富多样。在写作和口语中,适当地使用倒装句可以提升语言的表达能力,使句子更具有吸引力和独特性。因此,我们应该多加练习和掌握倒装句的用法,以提高自己的英语水平。
英语语法倒装句 篇二
倒装句是英语语法中的一种特殊句式结构,它的特点是将主语和谓语动词的位置颠倒。倒装句在英语中的使用较为灵活,可以用于不同的语境中,增加语言表达的变化和丰富性。本文将通过介绍倒装句的几种常见用法来帮助读者更好地理解和运用这一语法结构。
一、完全倒装句
完全倒装句是最常见的倒装句结构。在陈述句中,当谓语动词位于主语之前时,就需要使用完全倒装句。例如:
1. She is going to the park. → Going to the park is she.
2. They have finished their homework. → Finished their homework have they.
在问句中,完全倒装句是由助动词、情态动词或系动词加主语组成。例如:
1. Is she going to the park? → Going to the park is she?
2. Have they finished their homework? → Finished their homework have they?
二、部分倒装句
部分倒装句是将助动词或情态动词放在句首,其余部分保持原序。常见的情况是在祈使句或以否定词开头的句子中使用部分倒装句。例如:
1. Open the window, please. → Please open the window.
2. Never have I seen such a beautiful sunset. → I have never seen such a beautiful sunset.
三、地点状语倒装句
当地点状语位于句首时,需要使用地点状语倒装句。在这种情况下,谓语动词和主语之间不需要加入助动词。例如:
1. In the garden sat a little girl.
2. On the top of the mountain stands a tall tree.
四、条件状语倒装句
在条件状语从句中,如果将条件状语置于句首,需要使用条件状语倒装句。例如:
1. Should you have any questions, please let me know.
2. Had I known it earlier, I would have helped you.
以上是倒装句的几种常见用法,通过灵活运用这些句式结构,我们可以使语言表达更加丰富多样。在写作和口语中,适当地使用倒装句可以提升语言的表达能力,使句子更具有吸引力和独特性。因此,我们应该多加练习和掌握倒装句的用法,以提高自己的英语水平。
英语语法倒装句 篇三
英语语法倒装句
倒装句通常是as 与though引导的让步从句时将表语或者状语提前。
as, though 引导的倒装句
as / though引导的让步从句必须将表语或状语提前 (形容词, 副词, 分词, 实义动词提前)。
注意:
1) 句首名词不能带任何冠词。
2) 句首是实义动词, 其他助动词放在主语后。如果实义动词有宾语和状语, 随实义动词一起放在主语之前。
Try hard as he will, he never seems able to do the work satisfactorily.
注意:
让步状语从句中,有though,although时,后面的主句不能有but,但是 though 和yet可连用。
动词的种类
动词是表示动作或状态的词,按其词义和在句子中的作用可分为行为动词,连系动词,助动词和情态动词。
1.行为动词
行为动词可分为及物动词 (vt)和不及物动词(vi),及物动词表示动作或状态,有完整的词义,能单独作谓语,后跟宾语;不及物动词表示动作或状态,有完整的词义,能单独作谓语,但后面不能直接跟宾语,如要带宾语则与介词或副词构成短语。
如:
More and more people study English.(vt)
The students are listening to the teacher carefully.(vi)
2.连系动词
连系动词本身有一定的`词义,但不能独立作谓语,必须与表语一起构成谓语。常用的连系动词有 be, get, turn, become, look, feel, grow, seem, sound, taste, smell等。
如:
Our country is becoming stronger and stronger.
It feels damp.
3.助动词
助动词本身无词义,不能单独作谓语,只能和主要动词一起构成谓语动词,表示否定,疑问及动词的时态、语态、人称和数等语法特征,助动词有 be,do,have,shall,will等。
如:
How do you usually come to school?
The children are playing yo-yo now.
4.情态动词
情态动词本身有一定的意义,但不能独立作谓语,只能和主要动词原形一起构成谓语,表示说话人的语气和情态。情态动词没有人称和数的变化。情态动词有 can (could),may(might),must, need, ought to, dare等。
如:
Can I help you?
- Must we go now? -No, you needn't .
a. can与be able to的用法有所区别。can只用于一般现在时和过去时,指本身有能力的"能";be able to用于各种时态均可,指须经过努力而"能"。
b. must与have/has to的用法。must表示说话人主观认为"必须",只用于一般现在时和一般将来时;have/has to表示客观需要,意为"不得不",它可用于各种时态。
c.need和dare既可作情态动词也可作行为动词。
动词不定式的形式
1.作主语。 如:
To learn English is very important.
但实际上不定式作主语常用 it来作形式主语,而将不定式移至谓语动词后作真正的主语。
如上句可表达为:
It's very important to learn English.
2.作表语。 如:
My idea is to ring him up at once.
3.作宾语。 如:
I have decided to go to Binjiang Primary School.
4.作宾语补足语。
a. ask, want, teach, tell, know, would like, allow等动词后面接动词不定式作宾语补足语。
如: The policemen asked him to get off the bus.
b. hear, see, look at, feel, watch, notice, listen to等动词后接不带to的动词不定式作宾语补足语。
如: We often see Miss Li clean the classroom.
c. let, make, have这些使役动词后接不带to的动词不定式作宾语补足语。但在被动语态中这些不带to的都须带上to。
如: In those days the bosses often made the workers work day and night.
d.动词help接动词不定式作宾语补足语,可带to也可不带to。
如: Can you help me (to) carry the heavy bag?
5.作定语。
a.与被修饰词有动宾关系。如:I have something important to tell you.但如果不定式动词为不及物动词,后面的介词千万不要省略。
如: Maybe they have three rooms to live in.
b.与被修饰词有主谓关系。
如: Mr Liang is always the first to come and the last to leave.
c.与被修饰之间只有修饰关系。
如: I have no time to play cards.
6.作状语,表示目的、原因、方法、方向、结果等。
如: I'll go to meet my friend at th
e railway station.7.不定式复合结构"for sb. to do sth" 作主语时,常用"It is +adj+ for
of sb. to do sth"的句式。形容词good, bad, polite, unkind, kind, ice, clever,
right, wrong, careful等用"It is +adj +of sb. to do sth."
其他形容词用 for。
如:
It's dangerous for you to ride so fast.
It's very kind of you to help me.
8.动词不定式与疑问句who, what, which, when, how, where, whether等连用。
如: I don't know when to start.
He didn't tell me where to go.
但上面结构相当于一个从句,故上述句子也可表达为:
I don't know when we'll start.
He didn't tell me where he would go.
注意:
a.有些动词或动词短语不能带不定式,只能接动词的-ing形式。
如: enjoy, finish, keep, mind, miss(错过),be busy, go on, keep on, be worth, practise等。
如: The peasants are busy picking apples.
Would you mind my opening the door?
b.有些动词后可接不定式,也可接动词的-ing形式,但意思不同。
如: Lu Jian forgot to post the letter.(该寄但还没做)
Lu Jian forgot posting the letter.(已经寄过信了)
They stopped to sing a song.(停止在做的工作而去做另一件工作)
They stopped singing.(停止正在做的工作)
短语动词的四种类型
动词与介词、副词等构成的固定短语,叫短语动词。主要有四类:
一、动词+副词
有的一般不跟宾语,如go ahead, fall behind, get up, lie down, go up, run out, give in, stay up等;有的可以跟宾语,如put out, carry out, give up, wake up, check in, eat up, fill in, find out, fix up, hand in, mix up, look up, make out, turn down, work out等。
注意:宾语是名词时,放在副词前面或后面都可以,但若作宾语的是人称代词时,就只能放在动词和副词之间了。如:
We’ve decided to put the meeting off (=put off the meeting) . 我们决定把会议推迟。
We’ve decided to put it off. 我们决定将它推迟。(不说put off it)
二、动词+介词
如ask for, care for, call for, break into, deal with, call on, look for等。后面必须接宾语。如:
I don’t care for tea. 我不喜欢喝茶。
三、动词+副词+介词
如look forward to, put up with, looked up to, go in for, go along with, date back to, look down on, keep up with, add up to, run out of等。如:
She soon caught up with us. 她很快赶上了我们。
四、动词+名词+介词
如take care of, pay attention to, make use of, make contribution to做出贡献等。如:
Take care of your brother while I am away. 我不在的时候,你要照顾好你弟弟。
及物动词与不及物动词
根据其后是否带宾语,动词可分为及物动词(带宾语)和不及物动词(不带宾语)。如:
When will he arrive? 他什么时候到?(arrive 不带宾语,为不及物动词)
He reached Beijing yesterday. 他昨天到达北京。(reach 带了宾语,为及物动词)
有的动词既可用作及物动词也可用作不及物动词:
The child is playing. 这小孩在玩。(不及物用法)
The child is playing the piano. 这小孩在弹钢琴。(及物用法)
He is writing. 他在写字。(不及物用法)
He is writing a letter. 他在写信。(及物用法)
The boy is reading. 这男孩在阅读。 (不及物用法)
The boy is reading a magazine. 这男孩在看杂志。(及物用法)
实义动词与非实义动词
根据其含义和句子功用,动词可分为实义动词和非实义动词(包括时态助动词和情态助动词等)。如:
He bought a story book. 他买了一本故事书。(buy 为实义动词)
He has read the story book. 他已读过这本故事书。(has 为时态助动词,read为实意动词)
He should read the story book. 他应该读读这本故事书。(should 为情态助动词,red为实义动词)