is的用法
第三人称he(男) +is ; she(女)+is; it(不是人)+is;其他单数名词+is
例句:
HeShe is a good student.
It is a white cat.
A dog is on that street.
is也可与主语缩写,如:
He is = He's, My mother is = My mother's等。
但是This is不可缩写。而is与not可缩写成 isn't。如:
This isn't a book.
这不是一本书。
2021-09-10
is的用法
第三人称he(男) +is ; she(女)+is; it(不是人)+is;其他单数名词+is
例句:
HeShe is a good student.
It is a white cat.
A dog is on that street.
is也可与主语缩写,如:
He is = He's, My mother is = My mother's等。
但是This is不可缩写。而is与not可缩写成 isn't。如:
This isn't a book.
这不是一本书。