I must hurry to catch the last train. .You must phone home at once. .He must be at school now. .I must do it tomorrow.You must be back at 2 o’clock..You must meet them at the station.May I help you? May I open the window? May I take this book? May/Might I use your phone? I can swim across this river. I am able to swim across this river He can speak English..She can do it..He can help you. = He is able to help you.
You might come to see me. You might go and help him..You might tell me what he said.
He will probably come tomorrow.