is的用法:
is 的过去式是 was
是第三单用,例:
He is..
She is...
It is.
Tom is...
Mother is.
The boy is.
复数或其他的要用 are,例:
You are...
They are.
We are.
The boys are.
My parents are.
而我则要用 am:I am.
is的用法:
is 的过去式是 was
是第三单用,例:
He is..
She is...
It is.
Tom is...
Mother is.
The boy is.
复数或其他的要用 are,例:
You are...
They are.
We are.
The boys are.
My parents are.
而我则要用 am:I am.
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