I do not personally, but sometimes when I don't understand what the teacher was ordered to do, I will ask teachers will come to work later and so won't have to waste time.
I followed the wrong But sometimes when I do not understand the teacher ordered to do, I would ask teachers to not have to solve later. And so as not to waste time.
I behave properly. But sometimes when I don't understand the teacher told me to do, I would ask you to can't solve the work later. And so will not waste time.