Нужно каждому составить 4 предложения 20б

You mastn`t eat in my room.
they wrote the test yesterday.
we saw a big house with a garden.
my brother plays chess very wen.

1.When I was cooking,my mother came.
2.I was doing my homework at 5 o'clock yesterday.
3.If I had more free time,the best thing to do would be to learn how to play chess.
4.Many bad things went down since her arrival