英语句子讲解大全
英语句子按使用目的来分可分为四类:陈述句、疑问句、祈使句和感叹句。
一、陈述句
1、概述
用来叙述一个事实或观点的句子叫陈述句(declarative sentence)。陈述句有肯定和否定两种形式,一般用降调,句末用句号。
They lead an active life which keeps up their normal body temperature, even in very cold winter weather.他们生活很活跃,即使在严寒的冬天也能保持正常的体温。
If you do have difficulties, it is better to try again another day.如果你的确有困难,最好改天再试一试。
This is a most troublesome case. 这是一个非常麻烦的案子。
2、语序
        结构
        例句
主语 + 连系动词 + 表语
They feel happy.
他们感到高兴。
主语 + 不及物动词
The bell has rung.
铃声响过了。
主语 + 及物动词 + 宾语
He brings an umbrella.
他带来一把伞。
主语 + 及物动词 + 间接宾语 + 直接宾语
He bought me a bike.
他给我买了一辆自行车。
主语 + 及物动词 + 宾语 + 宾语补足语
I found this question easy.
我发现这题很容易。
3、否定结构
1)用not和助动词或情态动词否定
not一般放在助动词或情态动词之后。
英语句子大全The villagers didn't allow them to do this. 村民们没有允许他们这样做。
If they cannot do this, they have not really learned the spirit of the foreign language and cannot use it freely. 如果做不到这一点,他们就没有真正掌握外语的本质,也就不能运用自如。
2)用否定副词或代词否定
not以外的否定词nononenobodynothingneverseldomhardlylittleneithernor等也构成陈述句的否定式。
None of you watched carefully enough. 你们当中谁都观察得不够仔细。
Song writers are no longer writing about the modern values of the US  歌曲作者不再写美国的现代价值。
We have never had women working in this part of our company before. 我们以前从来没有让女人在我们的公司这个部门工作过。
3)部分否定
不定代词或副词如allbothevery, everybody, every day everything, everyone, many, entirely, altogether, absolutely, wholly, completely, everywhere, always, oftennot连用时,表示部分否定,意为并非都是,不是每个都是等。
But I'm determined to enjoy myself as much as possible even though I can't see everything. 但是我决定要尽可能玩个痛快,即使我看不到所有的地方。
Not all the parts of the car will be made in the factory. 并不是所有的汽车部件都在这家工厂制造。
How a telephone works is a question which not everyone can answer. 电话是怎样工作的这个问题并不是每一个都能回答上来的。
He is not absolutely wrong.他并不全错。
Every couple is not a pair.完美的婚姻少。
4)双重否定
双重否定是指同一句子里出现两个否定词,即否定之否定。双重否定表示的意义是肯定的,通常比肯定句语气更重。这种结构有:no…not, no(not)…without, no…but, can’t but+动词(不得不), can’t help doing, none but等。
He doesn’t lend his book to nobody.他的书没有哪本不借。
He can’t make anything out of nothing.巧妇难为无米之炊。
Man can’t live without water.没有水人类无法生存。
5)几乎否定
几乎否定又称半否定,表示整个句子的意思接近否定。常用的词有little, few, seldom, barely, hardly, rarely, scarcely等。
I have too little time to finish this work. 我的时间太少了,不能完成这项工作。
She is old and rarely goes out.她年纪大了,很少外出。
They had barely time to catch the plane.他们差点没来得及赶上飞机。
6)否定转移
  ①宾语从句的否定转移
某些句子结构中,本应放在that从句中的否定词not往往被移至主句的谓语动词前,这种现象叫转移否定,这类动词believe, expect, suppose, think, imagine, fancy, reckon等候的宾语从句否定时否定主句谓语动词。主句主语是第一人称的一般现在时态。
We don't think there is anything of interest in your pictures.我们认为你的画没有什么有趣的地方。
I don't believe it's necessary to buy the bigger one. 我认为没有必要买容量大一点的。
二、疑问句
疑问句(interrogative sentence)用来提出问题,句末须用问号。疑问句分为一般疑问句、特殊疑问句、反意疑问句和选择疑问句。
1、一般疑问句
1)概述
一般疑问句(general question)用来询问一件事情或一个情况是否属实,需要用肯定词yes或否定词no来回答。
    描述
      结构
      例句
谓语动词是be
Be + 主语 + 表语 + …?
Is he a teacher?
Were you ill?
有助动词或情态动词
助动词/情态动词 + 主语 + 谓语 + …?
Can you sing?
实义动词
Do/Does/Did + 主语 + 动词原形 + …?
Do you like pies?
Dose she walk to school?
3)否定疑问句
在一般疑问句的否定结构中,not放在主语之后,也常用缩略式,即将-n't和句首的behave、助动词或情态动词连在一起。一般疑问句的否定结构往往用来表示提问人的惊讶、怀疑、邀请、赞叹等,回答时,yes后接肯定结构,no后接否定结构。
Isn't it easier to stay in the same place? 留在原地难道不更舒服一些吗?
Haven't you heard of him? 难道你没听说过他吗?
Can't you just wear a flower instead? 难道不可以就戴朵花吗?
- Didn't he come to see you yesterday?他昨天没有去看你吗?
-No, he didn't.是的,他没来。
4)可以不用yesno回答的一般疑问句
一般疑问句通常情况下用yesno来回答,但在很多情况下需根据具体情况用其它答语,如certainlyof courseall rightnot at allperhapsneverno way等。
回答介意与否
  -Would you mind if I open the window?我开开窗户你介意吗?
  -Not at tall. (Certainly not!, Of course not)不介意。
  - I’m sorry but I would. It’s could outside.对不起我介意,外面太冷了。
拒绝或不能给予满意回答而表示道歉
  -Could you come to the party this evening?你晚上能来参加完会吗?
  -I’d love to, but you see I’m too busy.我愿意去,但我太忙了。
  - That’s very kind of you, but I’m afraid I can’t.你真好,到我恐怕去不了。
  -Can you return the book in two days?你两天能还书吗?
  -Sorry, but I can return it in four days.对不起,但我四天后能还。
-Is he a proper person for the job?他是干这项工作的合适人选吗?
- I don’t think so.我不这样想。
接受邀请或要求
-will you send her a note for me ?你代我把这个纸条给她好吗?
- I’d be glad to.乐意效劳。
-May I look at the picture?我看看照片可以吗?
-Certainly. Here you are.当然。给你。
2、特殊疑问句
1)概述
特殊疑问句(special question)是用来对句子某一部分提问的疑问句,以疑问词开头。
特殊疑问词可分为疑问代词和疑问副词两类。疑问代词有who, whom, whose, which, what。疑问副词有:when, where, why, how, how much, how many, how long, how old, how far, h
ow big等。