内容正文:
练闯考
的
英语八年级上册人教版
第二课时Section A(Grammar Focus~3c)
可数名词和不可数名词
1.可数名词可以与不定冠词连用,有复数形式:不可数名词没有复
数形式,不能被不定冠词或数词直接修饰。表示特指时,可数名词和不
可数名词都可以用定冠词the修饰。
an apple-一个苹果;a piece of bread-一片面包
2.可数名词表示复数意义时可用many,afew等修饰;不可数名词可
以用much,a little等修饰。另外,这两类名词都可以用some,any,lots
of等修饰。
many students许多学生;much moneyi许多钱;some books一些书;
some juice一些果汁
3.可数名词前通常可用具体的数词来表示确切的数量;不可数名词要表
示确切的数量时,则用“数词十表示量的名词(单/复数)十o十不可数名词”结
构。另外,可数名词也可用“数词十表示量的名词(单/复数)十o十可数名词”
结构。
three eggs三个鸡蛋;three bottles of yogurt三瓶酸奶;three boxes of
apples.三箱苹果
4.可数名词作主语时,谓语动词的单复数形式要与主语保持一致;不可
数名词作主语时,谓语动词用单数形式。但是,当不可数名词前有表示数量
的可数名词的复数形式时,谓语动词要用复数形式。
There are three cups of tea on the table..桌子上有三杯茶。
5.对可数名词的数量提问用“how many'”,其后必须用名词的复数形
式;对不可数名词的数量提问用“how much”。
How many apples do you need?你们需要多少苹果?
How much salt do you need to buy?你们需要买多少盐?
祈使句
7
祈使句是表示请求、命令、建议、劝告等意义的句子。说话的对象大多
为第二人称yOu,且常被省略。句末用感叹号或句号,读时用降调。
1.肯定句构成
(1)动词原形十其他成分.
Speak loudly..大声说。
(2)Be+表语.
Be quiet.安静点。
(3)Let十sb.十动词原形+其他成分.
Let's play a game.让我们玩游戏吧。
2.否定句构成
(1)Don't十动词原形十其他成分.
Don't go there..不要去那里。
(2)Let十sb.十not十动词原形十其他成分.
Let's not talk about it.我们不要谈论它了。
(3)No+n./.-ing.
No photos!禁止拍照!
No talking!不要喧哗!
语法精练
一、用括号内所给单词的适当形式填空。
1.There are two knives
(knife)on the table.
2.We need two cups of yogurt
(yogurt).
3.Please don't be (be)late for school next time.
4.I don't like drinking orange,but I like eating oranges.(orange)
5.The baby's feet (foot)are small and look very cute.
二、按要求完成下列句子。
6.You must listen to the teacher carefully.(改为祈使句
Listen
to
the teacher carefully,please.
7.You can't pour dirty water into the river..(改为祈使句)
Don't
pour dirty water into the river.
8.Close your book!(改为否定句)
Don't
close your book!
9.I have two brothers..(对画线部分提问)
How
many
brothers do you have?
l0.There is a little honey in the bottle.(对画线部分提问)
How
much
honey is there in the bottle?
课时精练
三、根据句意及汉语提示写单词。
11.I added two spoons of sugar (in the milk just now.
12.There are two small holes
(洞)in my jacket..
13.Most farmers grow corn (in this small village.
l4.My grandmoth