▸ 중복 => 경제적인 표현

   I'm tired. 다음 사람이  I'm(tired). 또 다른 사람은 I'm not (tired).

   Are you a student? Yes, I'm.

   Do you like spaghetti? Yes, I do.

   Do you have been to London. I haven't. or  I have.

   I have seen the movie. My sister hasn't seen movie.

   → I have seen the movie but my sister hasn't.

   Are you tired? 아까 그랬지. I was but I'm not.

   Did you and John like the movie? I did but he didn't.

   I've decided to buy a new car.

    → You've (decided to buy a new car)?   

    → You have? (끝을 올려서 대꾸한다)

    → Really?

   I'm writing a book!

    → You are (writing a book)? (끝을 올려서 대꾸한다)

    → Yes, I'm.

   I don't like Erik?

    → You don't? (끝을 올려서 대꾸한다)

    → I don't.

   You're late.

    → I am? (끝을 올려서 대꾸한다)  I'm sorry.

   I was sick last night.

    → You were? I didn't know that.

   There is a letter for me.  → There is? Thanks.

   You speak four languages.  → You do? Wow~

   Tom doesn't eat a meat.  → He does?

   Mary got married last week.  → She did? Really?