作业帮 > 英语 > 作业

对画线部分提问 一般疑问句 否定句 肯定句 单数句

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/16 17:16:36
什么情况下用be动词
解题思路: I必须和am一起用 ,is跟第三人称单数用,are和第三人称复数用。
解题过程:
I必须和am一起用
is跟第三人称单数用
are和第三人称复数用
be动词在一般现在时有三种形式:am, is, are


     单数  be动词  复数  be动词

第一人称  I    am   we   are
第二人称 you   are   you   are
第三人称 he   is   they   are
    she   is


be动词用法:

(1)  I am… = I’m…         I’m a pupil.

You are… = You’re… You’re tall

He is… = He’s…        He is my father.

She is… = She’s…       She is a girl.

It is… = It’s…          It’s a big apple.

We are… = We’re…     We’re good friends.

You are… = You’re… You’re very happy.

They are… = They’re     They’re my brothers.

(2)  第三人称单数用is

    Mary is fat and Norman is tall.

    Mr Li is my teacher.

    The cat is my pet.

(3)  不可数名词用is

    The soup is nice.

    The water is cool.

(4)  复数用are

    The swans are beautiful.

    Tony and Norman are brothers.

(5)  This is… / That is…

    This is my bike.

    That is a tall tree.

(6)  These are… / Those are…

    These are flowers.

    Those are my friends.

(7)  There is +单数或不可数名词

    There is a pencil box and two books in my bag.

    There is some juice in my glass.

(8)  There are +复数名词
    There are many trees on the road.

    There are two TVs and a bed in my bedroom.
周末愉快!


最终答案:略