is 的过去式

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is 的过去式
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is 的过去式
is 的过去式

is 的过去式
is的过去式是was.
Eg.He was a teacher 3 years ago.

was

was

was

was

was

is和am的过去式都是was啊。are的过去式是were。
例如: He is a teacher。他是老师。(现在)
He was a teacher。他是老师。(过去是老师,现在不是了)
I‘m a student. (一般现在时) I was a student.(一般过去式)
You are an act...

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is和am的过去式都是was啊。are的过去式是were。
例如: He is a teacher。他是老师。(现在)
He was a teacher。他是老师。(过去是老师,现在不是了)
I‘m a student. (一般现在时) I was a student.(一般过去式)
You are an actor. 你是个演员。(现在)
You were an actor.你以前是个演员。(过去式)

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