例句： 

M: Have you met the new teacher? 

W: I have been sick for three days.

M: Wouldn't you tell me the meaning of the phrase? 

W: Don't you have the dictionary?

M: If I go to the store, will you cook dinner for me? 

W: Bring back in a food.

W: Where is the orange juice I made just now?

M: Didn't you hear a crash?