1. Asking a question - Are you coming with us? - Is that your bag? - You didn’t show up yesterday. Were you sick? - Was he with you when the accident happened? - Do you know him? - Did you see my car keys? - Have you been to Xiamen? - Has the movie started yet? - Did you want a small or a large Americano? - Was it a blue, red, purple or a yellow bird? - Should I call him now or tomorrow? - What’s the flight number? - How did you get here? - Where’s the train station?
2. Seeking confirmation - You are coming to the party tonight, aren’t you? - He hasn’t replied to my call yet, has he? - It’s not that cold outside, is it? - She’s married, isn’t she? - He said he didn’t like the movie, didn’t he? - You would never tell him, would you?
3. Express uncertainty - I think I left the key on the counter? - I thought I bought milk? - She said she liked the red one?
4. Making a list - I’m gonna buy some eggs, milk, detergent and bread. - She’s received offers from UCLA, USC, Carnegie Mellon and Georgia Tech. - I saw a lot of high school classmates today: Tom, Maria, Lisa, John and David.