一、可数名词变复数的规则
(1)一般情况下加s
(2)以s, sh, ch, x, o 结尾的有生命名词,变成复数加es
photo
(3)以辅音字母(除了a, e, i, o, u 以外的字母)加y结尾的名词,变成复数要把y变成i, 再加es
(4)特殊的有: knife man woman
mouse child mouse(鼠标)的复数mouses mouse(老鼠)变成复数mice〔mais〕
二、How many, a lot of, lots of, like, two, three, four…后要用可数名词的复数
some, any后可加可数名词复数,也可加不可数名词
fruit, people是集体名词,常作复数用,但不加s
noodles常作复数用
三、单数变成复数的方法
(1)把is改成are; 把a/an改成some/any;把名词变成复数
(2)特殊:I’m a student.
(3)练习:
There is an apple.
Is there a pencil in your pencil box?
He’s a student.
There isn’t an umbrella.
I have some English books.
四、前用an 的名词有
五、不可数名词有
六、现在进行时
(1)表示: (2)构成:
(3)现在分词变化规则:
①一般情况下在动词后加 ②有些动词要 ③有些动词要 ,它们是
(4)标志是句子里有:
七、改成一般疑问句的方法
(1)有be动词和can的句子:把be动词、can 调到句首;把some 改成any;把I, we改成you;把my, our改成your
(2)有动词的句子:句首引进Do;把some 改成any;把I, we改成you;把my, our改成your
(3)有动词且主语是第三人称单数的句子:句首引进Does;动词改成原形;把some 改成any;把I, we改成you;把my, our改成your
(4) 练习:改成一般疑问句
He is David.
There are some English books.
She can dance.
They like cats.
Mike has a tin-opener.
I have a pencil.
The elephant has big ears.
Su Hai&Su Yang have some nice apples.
八、肯定句变成否定句的方法
(1)有be动词和can的句子:在be动词和can后加not, 把some 改成any
(2)有动词的句子:在动词前加don’t,把some改成any
(3)有动词且主语是第三人称单数的句子:在动词前加doesn’t;动词改成原形;some改成any
|
|