Find the mistakes and correct

Bài 2:find the mistakes and correct
1) John are cleaning the room at the moment.
->.........................
2) I swim usually ai the weekend.
->...........................
3) I and Lan rides a bike to school everyday.
->...........................
4) Are you sitting on the bed now?
->.........................
5) My mom don't usually go to work on saturday.
->...............................