In these situations, sometimes I just nod and move on, but I like If's approach. If he does not understand the meaning of the student's sentence, he simply asks what he meant: "Sorry, I do not understand. "" Can you repeat it? "" What do you mean? "Another strategy is to repeat the student's idea, just in the right form.
If he does not understand the meaning of the student's sentence, he simply asks what he meant: "Sorry, I do not understand." "Can you repeat it?" "What do you mean?" Another strategy is to repeat the student's idea, just in the right form.