改写一下句子（抄写原句,并改写为被动语态肯定、被动语态否定和被动语态疑问）

1、We plant trees every year.
Trees are planted by us every year.
Trees aren't planted by us every year.
Are trees planted by us every year?
2、I sweep the floor zt 7:00every day.
The floor is swept by me at 7:00 every day.
Is the floor swept by me at 7:00every day?
3、I broke the window by accident yesterday.
The window was broken by me by accident yesterday.
Was the window broken by me by accident yesterday?
4、Tom repaired those bikes last week.
Those bikes were repaired by Tom last week .
Were those bikes repaired by Tom last week
5、I will finish the work in 2 hours.
The work will be finished by me in 2 hours .
Will the work be finished by me in 2 hours?
.6、We will use knives to cut apples.
Knives will be used by us to cut apples.
Will knives be used by us to cut apples