新概念英语第一册课文语法点总结
互联网2020-01-15 13:45
感叹句:
1、 What +名词+主语+谓语
What a beautiful girl she is!
What tall buildings they are!
2、 How +形容词+主语+谓语
How beautiful thegirl is!
How tall the buildings are!
3、 在口语中,感叹句的主语和谓语常常省略:
What a nice present!(省略itis)
How disappointed!(省略she is或其它可作本句主、谓的词语) 名词
名词分为可数名词和不可数名词:
1、不可数名词
无法分开的东西:water, tea,bread, milk, rice
抽象的东西:love, beauty, coldness
不可数名词有以下特点:
不能用a, an修饰;
不能加s;
和单数be动词或动词搭配。
2、可数名词
单数可数名词要用冠词修饰,复数可数名词要在名词后面加s。名词复数共有以下几种变化:
规则变化的名词复数形式
规则1 一般情况+se.g. shell→shells book→books
规则2 以s, x, ch,sh结尾+es e.g. fox→foxes church→churches, bus→buses, watch→watches
规则3 以o结尾+s或+ese.g. potato→potatoes, Negro→Negroes, hero→heroes, tomato→tomatoes,(口诀:黑人英雄爱吃土豆和西红柿),剩下一般加s,radio→radios
规则4 以f, fe结尾的,变f,fe为ves e.g. life→lives half→halves, shelf→shelves, city→cities,wife→wives
规则5 以辅音字母+y结尾, 变y为i+ese.g. sky→skies fly→flies
不规则变化的名词复数形式
man(men)
woman(women)
foot(feet)
goose(geese)
tooth(teeth)
child(children)
sheep(sheep)
deer(deer)
mouse(mice)
fish(fish)
祈使句
祈使句表示请求、命令、建议、邀请等,谓语动词一律用原型,句子中通常不用主语,句末用惊叹好或者句号,用降调。
肯定句:动词原型
Come here, please.
Go downstairs, please.
Stand up.
Sit down.
Be quiet.
Be careful.
祈使句中如果有唤语,一定要用逗号隔开,放在句首或者句尾:
Come in, Amy.
Sit down here, Tom.
Mary, give me a book please.
否定:Don't+动词原型
Don't come here.
Don't sit down.
Don't stand up.
Don't give me it.
let sb. do 让某人做
Let me pass.
Let us have a rest.
Let's have a rest.
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