Сразу говорю, + это утверждение, - отрицание, ? вопрос.
Present Simple
1)+He likes to ride a bike sometimes.
-He doesn`t like to ride a bike sometimes.
?Does he like to ride a bike sometimes?
2)+I go to sea every day.
-I don't go to sea every day
? Do you go to sea every day?
3)+They always go to the club.
-They always don't go to the club.
?Do they always go to the club.
Present Continius
1)+He is shouting at me now.
-He isn't shouting at me now.
?Is he shouting at me?
2)+Radio is working.
-Radio isn't working.
?Is radio working?
3)+I am playing football now.
-I amn't playing football now.
?Am i playing football now?