Are you doing anything special tonight? - Yes, I am. / No, I’m not.Can your friend speak fluent English? - Yes, he can. / No, he can’t.Do you speak English well? - Yes, I do. / No, I don’t.Did the children have breakfast? - Yes, they did. / No, they didn’t.Did your younger sister help you with the housework? - Yes, she did. / No, she didn’t.
