内容正文:
人教版七年级上册Units 5-9
核心语法
一般现在时-Do型
1. 句型结构:
肯定句:主语+动词原形 / 动词的第三人称单数+其它
I / We / They have a tape player.
She / He / Tom has two schoolbags.
否定句:主语+don’t / doesn’t +动词原形+其他。
I / We / They don’t have a tape player.
She / He / Tom doesn’t have two schoolbags.
注意:do / does not可缩略为don’t / doesn’t。
一般疑问句及答语:Do / Does + 主语 + 动词原形 + 其他?
肯定回答:Yes, 主语 (人称代词) + do / does.
否定回答:No, 主语 (人称代词) + don’t / doesn’t.
—Do you / they have a car?
—Yes, I / we / they do.
No, I / we / they don’t.
—Does she / he / Tom have two schoolbags?
—Yes, she / he does.
No, she / he doesn’t.
2. 用法
1). 表示现在的状态。
Jim doesn’t have a model plane.
2). 表常发生的动作,句中常有always, every day等。
I play basketball every day.
3). 表示主语具备的性格和能力等。
They don’t like chicken.
名词的量
一、可数名词
1. 可数名词有单数和复数两种形式。
2. 可数名词可被基数词(如one),不定冠词(a, an)或these, those, all, some, many, several, few, a few, a lot of, lots of, enough, plenty of, a number of等修饰。
3. 对可数名词的量提问用how many。如:
There are ten books on the desk.
→How many books are there on the desk?
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二、不可数名词
不可数名词没有单数与复数形式之分,也不能与不定冠词a或an连用。
1. 表示不可数名词的量时,通常使用相应的单位词,如piece, cup, bowl等,复数形式常体现在单位词上。如:
a piece of paper → two pieces of paper
a cup of tea → three cups of tea
2. 不可数名词作主语时,谓语动词用单数形式。如:
The milk smells terrible and you can’t drink it.
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3. 常见的修饰不可数名词的词语有all, some, much, little, a little, a lot of, lots of, enough, plenty of等。如:much money,a little water。
4. 对不可数名词的量提问用how much。如:
I need a kilo of water.
→How much water do you need?
注意:all, some, a lot of, lots of, plenty of 既可修饰可数名词,也可修饰不可数名词。
how much可用来询问物品的价格。
How much + is / are+主语? ……多少钱?
e.g. How much were the tickets?
名词所有格 名词所有格表示所属关系,表示“……的”
1. 名词末尾加“’s” (以-s结尾的复数名词后加“’”)
the president’s son = the son of the president
2. 表示各自的所有关系时,名词末尾均须加“’s”。如:
John’s and Susan’s desks (约翰和苏珊各自的书桌)
3. 表示共同的所有关系时,则在最后一个名词末尾加“’s”。如:Lucy and Lily’s room (露西和莉莉的房间)
4. 表示时间、度量等无生命的名词的所有格一般也是在名词后加“’s”。如:
a day’s journey(一天的旅程)
today’s newspaper(