Expressions you can use to reward your students

There are many expressions you can use to encourage and reward your students.
Use the following to give more precise feedback:
for example :
Perfect !
I can't see anything wrong with that.
That's perfectly correct.
There's nothing wrong with your answer.
That sounds good to me.
Couldn't be better.
You didn't make a single mistake.
I couldn't have given a better answer myself.
What you said was perfectly all right.


....Natcha 3EN 023....