打招呼、自我介绍、询问姓名和国籍
例句
I am not tired.
我不累。
例句
I am tired after work.
下班后我很累。
例句
I am busy this morning.
我今天早上很忙。
例句
Are you free on Friday?
你星期五有空吗？
The first lesson is free.
第一节课是免费的。
例句
Are you ready?
你准备好了吗？
例句
Are you hungry?
你饿了吗？
Are you hungry?
你饿吗？
例句
I am very thirsty.
我很渴。
例句
I am happy to see you.
见到你我很高兴。
例句
She looks sad today.
她今天看起来很难过。
例句
Do not be angry with me.
别生我的气。
S + am / is / are + not + …在 to be 后面直接加 not。缩略形式：is not → isn't，are not → aren't。am not 没有标准的缩略形式，写作 I'm not。 常见错误：to be 不能和 don't 连用：I don't be tired ✗，I am not tired ✓。
I am not hungry.
我不饿。
He is not at home.
他不在家。
They aren't ready.
他们还没准备好。
下班后互相问候
You look tired. Are you busy today?
你看起来很累。今天很忙吗？
I'm not tired, I'm hungry!
我不累，我饿了！
Are you thirsty too?
你也渴了吗？
No, I'm not thirsty. I'm ready to eat.
不渴。我准备好吃饭了。
Are you angry with me?
你在生我的气吗？
Of course not. I'm very happy, not sad.
当然没有。我很开心，一点也不难过。
Good. I'm free tonight.
那就好。我今晚有空。