三年级英语下册语法知识解读

三年级英语下册语法知识解读

1. 介词“on…” “in…”的短语

on the chair/in the pencil-box/in the desk/in the bag/in the sky

2. 特殊疑问句“where”“what”“who”的用法

①特殊疑问句“where”的用法：

Where is …? ----It‟s on…. / It‟s in….

②特殊疑问句“what”的用法：

What‟s on the table? — A plate of cakes.

③特殊疑问句“who”的用法：.

Who is he/she? He/ She is….

They are brother and sister.

当不知道是谁时，人称代词用it:

Who is it? ----- It‟s me.

3. 感叹句用what和how： what修饰名词;how修饰形容词

How nice on a ship! How nice!

What a fine day! What a big cake!

4.let’s 句型：

let‟s =let us

Let‟s make a blouse/*est.

Let‟s run a race. /Let‟s play games.

Let‟s ride it.

Let‟s gi*e her nice things.

Let‟s sing“Happy Birthday to You”.

Let‟s count the candles.

Let me help you.

Let me open/close the door.

Let me get the apples/pears.

Let‟s go home.

5. can句型：

We can‟t let him in.

She can’t swim.

I can‟t find/see….

Can she swim? Yes, she can. / No, she can’t. Can you make cakes? Yes, I can. / No, I can‟t. Can you fly it? —Of course，I can.

6.主语是单数第三人称，谓语动词加“s”：

look like 看起来像

She looks like Ste*e.

Ste*e is E*e’s brother.

I like him, and he likes me.

7.“ha*e”的用法：

①“ha*e”表示“有”

I ha*e a kite/ a new bike.

We ha*e some nice things for you.

②“ha*e”表示“吃”

Ha*e a coke/an apple. —Yes, thank you./ No, thanks. Please ha*e the cake. —Thank you.

Let‟s ha*e the good things.

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