Listen for time markers in yes/no questions.
A time marker is any word that helps you determine when an action occurs.
The plane is always on time,isn't it?
Can you tell me when the movie begins?
Do you think that the flight will be late?
Have the other flights been canceled yet?
You were supposed to leave a week ago, weren't you?
Is it possible to finish this today?
Your cruise took longer than you thought,didn't it?
I suppose they'll serve dinner on your flight,won't they?