How to use CL for Running the lessson? -Making things clear

1.You have five minutes.
You can spend ten minutes on this.
I'll give you five minutes on this /to do this.
You'll have to stop in two minutes/minutes' time.
Don't spend more than a few minutes on/doing this exercise.

2.Right.You can start.
Away/off you go.
Being/Start working.
Is everybody ready?
If you're ready, we'll start.
Let's get to work.
Get on with it.

Pannida pimsorn 3EN
061 ^_____^

-Let's begin our lesson now.
-Is everybody ready to start?
-I hope you are all ready for your English lesson.
-I think we can start now.
-Now we can get down to work.

Walaiporn 003 3EN