1.英语句子什么时候加s或es,什么时候又不加s

句子英语复数_句子英语复数怎么写

1.these are our books.

2.those are their families.

3.they are french.

4.we are students.

5.they are hairdressers.

6.are these lily's pens

7.are those your friends cars.

8.they are their dresses

9.what are your jobs

10.our shirts are blue

11.whose shirt are those

12.they are same color

遵循规律 this变成these that 变成those her his 变成their he she 变成they is 变成are does 变成 do 其他一般名次直接加s就好

英语句子什么时候加s或es,什么时候又不加s

This is the eye.

变为复数句子是

These are the eyes.

单数句子变复数句子一般是变名词代词动词等。

this的复数是these

is的复数是 are

eye的复数是 eyes

英语的表达手法跟中文不一样,英语复数就是英语名词的复数形式,表示两个或两个以上的物品,如一个女孩a girl,两个女孩,two girls ,如果实在不能理解就理解成中文的“ 们”.规则的变化时名词后面加上“s”或者“es”.还有不规则变化.

给出一些变化规则供参考。不规则变化在学习时需要自行记忆。

1) 一般在名词词尾加s,

① map—maps地图,bird—birds鸟,

orange—oranges 桔子,

bike—bikes自行车;

2) 以s,x,ch,sh结尾的名词加es,

① box—boxes盒子,class—classes班级,watch—watches手表,dish-dishes盘,碟子,餐具;

3) 以O结尾的名词后面加s或es (有生命的加es,如土豆,英雄,无生命的加s)

① photo—photos相片 radio—radios收音机 zoo—zoos动物园

tomato—tomatoes西红柿 potato—potatoes土豆

4) 以辅音字母加y结尾的名词,变y为i+es

① baby—babies婴儿 family—families家庭;

以元音字母加y结尾的名词直接加s

① boy—boys男孩 toy—toys 玩具;

5) 以fe或f结尾的名词,把fe或f变为ves

① knife—knives小刀

wife—wives妻子

leaf—lees树叶.

另外不可数名词前一般不需要加定冠词,永远不能加不定冠词!

例如下列用法均属错误:

the mathematics 。the banking 。a cloth 。an equipment。

不可数名词作主语,谓语要用单数形式.

如:Water is important.

但如果不可数名词前面被piece,drop,set等词修饰时,谓语应该与piece,drop,set等的单复数形式保持一致

如:Few drops of water are needed to se the flower.