高中英语语法
1)动词转化为名词
很多动词可以转化为名词,大多意思没有多大的变化(如下①);有时意思有一定变化(如下②);有的与一个动词和不定冠词构成短语,表示一个动作(如下③)。例如:
①Let's go out for a walk.我们到外面去散散步吧。
②He is a man of strong build.他是一个体格健壮的汉子。
③Let's have a swim.咱们游泳吧。
2)名词转化为动词
很多表示物件(如下①)、身体部位(如下②)、某类人(如下③)的名词可以用作动词来表示动作,某些抽象名词(如下④)也可作动词。例如:
①Did you book a seat on the plane?你订好飞机座位了吗?
②Please hand me the book.请把那本书递给我。
③She nursed her husband back to health.她看护丈夫,使他恢复了健康。
④We lunched together.我们在一起吃了午餐。
3)形容词转化为动词
有少数形容词可以转化为动词。例如:
We will try our best to better our living conditions.我们要尽力改善我们的生活状况。
4)副词转化为动词
有少数副词可以转化为动词。例如:
Murder will out.(谚语)恶事终必将败露。
5)形容词转化为名词
表示颜色的形容词常可转化为名词(如下①);某些形容词如old, young, poor, rich, wounded, injured等与the连用,表示一类人,作主语时,谓语用复数(如下②)。例如:
You should be dressed in black at the funeral.你在葬礼中该穿黑色衣服。
The old in our village are living a happy life.我们村的老年人过着幸福的生活。
初中英语语法知识学习:词法
A)、名词的数
我们知道名词可以分为可数名词和不可数名词,而不可数名词它没有复数形式,但可数名词却有单数和复数之分,复数的构成如下:
一)在后面加s。如:fathers, books, Americans, Germans,apples, bananas
二)x,sh, ch, s, tch后加es。如:boxes,glasses, dresses, watches, wishes, faxes
三)1)以辅音字母加y结尾的变y为i再加es 如:baby-babies, family-families,duty-duties, comedy-comedies, documentary-documentaries, story-stories
2)以元音字母加y结尾的直接加s。如:day-days,boy-boys, toy-toys, key-keys, ways
四)以o结尾加s(外来词)。如:radios, photos, 但如是辅音加o的加es:如: tomatoes西红柿, potatoes马铃薯
五)以f或fe结尾的变f为v再加es(s)。如:knife-knives, wife-wives,half-halves, shelf-shelves, leaf-leaves, yourself-yourselves
六)单复数相同(不变的)有:fish, sheep, deer鹿子, Chinese, Japanese
七)一般只有复数,没有单数的有:people, pants, shorts, shoes, glasses, gloves, clothes, socks
八)单词形式不变,既可以是单数也可以是复数的有:police警察局,警察, class班,同学, family家,家庭成员
高中英语语法词法
1.辨别if 引导真实条件句和if引导的虚拟条件句的区别
If he has time, he will go with us.= Probably he has time and will go with us.
If he had time, he would go with us.=But in fact he has no time.
2.虚拟条件句中主句和从句的谓与动词构成形式如下表
if条件句中的谓与动词
主句的谓与动词
与现在的事实相反
1. 行为动词用did 形式
2. be动词用were
should
would
could + 动词原形
might
与过去的事实相反
had + done
should
would
could + have + done
might
与将来的事实相反
1. 行为动词用did
2. should + 动词原形
3. were to + 动词原形
should
would
could + 动词原形
might