This document discusses various modal verbs in English including can, could, may, should, will, might, must, and have to. It provides short example sentences to illustrate the basic meaning and usage of each modal verb such as "I can play the piano", "And now, who could help me?", "Let them say what they may", "She should go to a doctor today", "I will not turn down any job opportunity", "It think it might rain", "You must do your homework!", "I must go now, I'm sorry", and "You have to tell me!, don't be mean".