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A:一般现在时态通常表示目前阶段经常发生的动作或存在的状态。
结构:1)be动词的第一人称单数为,第三人称单数为,其他人称为。
有一顺口溜体现了它的用法: 我是am你是are ,is跟着他她它, 复数都用are
肯定式:主语+ am /is/are +其他
否定式:主语+ am/is/are +not + 其他
疑问式:Am /Is /Are + 主语+ 其他?
简略回答: (肯) Yes,主语 + am/ is /are
(否) No,主语 + am /is/are not
缩写形式: I'm == I am That's ==That is
We're ==We are What's== What is
You're == You are Who's == Who is
They're ==They are Where's ==Where is
He's ==He is isn't==is not
She's ==She is aren't==are not
It's == It is
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