三年級(jí)英語(yǔ)下冊(cè)語(yǔ)法知識(shí)解讀

字號(hào):

1. 介詞“on„” “in„”的短語(yǔ)
    on the chair/in the pencil-box/in the desk/in the bag/in the sky
    2. 特殊疑問(wèn)句“where”“what”“who”的用法
    ①特殊疑問(wèn)句“where”的用法:
    Where is …? ----It‟s on…. / It‟s in….
    ②特殊疑問(wèn)句“what”的用法:
    What‟s on the table? — A plate of cakes.
    ③特殊疑問(wèn)句“who”的用法:.
    Who is he/she? He/ She is….
    They are brother and sister.
    當(dāng)不知道是誰(shuí)時(shí),人稱代詞用it:
    Who is it? ----- It‟s me.
    3. 感嘆句用what和how: what修飾名詞;how修飾形容詞
    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/vest.
    Let‟s run a race. /Let‟s play games.
    Let‟s ride it.
    Let‟s give 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.主語(yǔ)是單數(shù)第三人稱,謂語(yǔ)動(dòng)詞加“s”:
    look like 看起來(lái)像
    She looks like Steve.
    Steve is Eve’s brother.
    I like him, and he likes me.
    7.“have”的用法:
    ①“have”表示“有”
    I have a kite/ a new bike.
    We have some nice things for you.
    ②“have”表示“吃”
    Have a coke/an apple. —Yes, thank you./ No, thanks.
    Please have the cake. —Thank you.
    Let‟s have the good things.