are you OK肯定回答為：i am OK。否定回答為：i am not OK。are you OK為疑問句。肯定和否定回答均為陳述句。其中are為系動詞，you為主語，OK為形容詞做表語，是一個主系表結構的句子。主系表結構句型是英語中常見的句型之一，常見的還有主謂結構，there be結構等等。
肯定回Yes，I am.
否定回No，I am not.
否定回答 not too much.
肯定回答 yes I am fine
I am not fine.
I am feeling unwell
I feel troubled
I am all right.
肯定:I'm fine ， thank you. (一般）Yes， I‘m just fine， thanks. （more casual)否定:I'm not feeling very well.I'm a little dizzy.
否定回
Not good.
Not too good.
Not so good.
No.
Just so-so.
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