Срочно дам 35 баллов !!! Английский язык помагает мне

My granddad can use a mobile phoneThey can't skateboardYou can't stay out late tonightI can't skiShe can play the piano

2.My grandad can use a mobile Phone.3. They can't skateboard. 4.You can't stay out late tonight.5.I can't ski.6.She can play the pianino