1.三点时，我哥哥正在骑自行车。2.五点半时，布朗的父母正往超市走。3.我的生日在六月二日。（翻译）

My brother is riding a bike at 3 o'clock.
Brown's parents are walking to the supermarket at half past 5.
My birthday is on June 2nd.
How many books in your drawer.
How many uncles do you have?

My brother was riding a bike at 3 o'clock.
Brown's parents were walking to the suermarket at five thirty.
My birthday is on 2nd,June.
How many books are in your drawer?
How many uncles do you have?

My brother was riding bicycle at three time.
Brown's father was walking to the supermarket at half past five.
My brithday is on second June .