A: your friend/ swim?
A: Is your friend swimming? - B: Yes, he/ she is.
A: they/ listen to music?
A: Are they listening to music? - B: No, they aren't/ are not.
A: Mi/ play/ the piano?
A: Is Mi playing the piano? - B: No, she isn't/ is not.
A: they/ learn English?
A: Are they learning English? - B: Yes, they are.
A: your friends/ cycle to school?
A: Are your friends cycling to school? - B: No, they aren't/ are not.
A: they/ do/ their homework?
A: Are they doing their homework? - No, they aren't.
