A: Do you have to go now?#
B: Yes, I have to leave immediately.#
A: Do you have to get up early tomorrow morning?#
B: Yes, I'll have to get up at six o'clock.#
A: Did you have to take a taxi?#
B: I'm afraid I had to. I couldn't get a bus.#
A: Hasn't your friend arrived yet?#
B: How long have you had to wait? I've had to wait for two hours!#
A: Do you have to water the garden?#
B: No, I don't need to water it now. It's going to rain.#
A: Do we have to walk to the station?#
B: No, we don't need to. We can catch a bus.&