1 can well can I.
I can sing well.
2 fast run Sam can't.
Sam can't run fast.
3 can football Grandad play.
Grandad can play football.
4 skateboard can't Mum .
Mum can't skateboard.
5 very Sally can't well cook.
Sally can't cook very well.
Ответ: I can sing well; Sam can't run fast; Grandad can play football; Mum can't skateboard; Sally can't cook very well