1) i can hear music i can't hear music 2)she understands english 3) they are walking 4)we visit our granny every sumer 5)he has got a kind smile

2) She doesn't understand English.
3) They aren't walking.
4) We don't visit ...
5) He hasn't got ...

2) she doesn't understand English

3) they are not walking

4) we don't visit our granny every Summer

5) he hasn't got any kind smile