Not time to stop
The bell hasn't gone yet.
There are still two minutes to go.
We still have a couple of minutes left.
The lesson doesn't finish till five past.
Your watch must be fast.
We seem to have finished early.
We have an extra five minutes.
Sit quietly until the bell goes.
These are very useful for me if students want to take a break but it is not time to stop. I will use these sentences in the future.
Kanjana 003 3EN