【语法系列】Essential Grammar in Use Unit-1 am/is/are

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am/is/are

首先来看am/is/are的肯定形式和否定形式搭配。

肯定形式 positive

主语	系动词	缩写
i	am	i’m
he /she/it	is	he’s /she’s /it’s
we/you/they	are	we’re / you’re / they’re

否定形式 negative

主语	系动词	缩写
i	am not	i’m not
he/she/it	is not	he’s not / he isn’t / she’s not /she isn’t / it’s not / it isn’t
we you they	are not	we’re not /we aren’t / you’re not /you aren’t /they’re not / they aren’t

例句

• I’m cold.Can you close the window ,please?
• I’m 32 years old ,My sister is 29.
• Steven is ill.He is in bed.
• My brother is scared of dogs.
• It’s ten o’clock.You are late again.
• Ann and I are good friends.
• Your keys are on the table.
• Lisa isn’t interested in politics.She’s interested in art.
• Thank you.That’s very kind of you.
• Look! There’s Chris.
• ‘Here’s your key’.‘Thank you’