You moved all of the boxes out of the moving truck by yourself? You ......... be exhausted! can shall could must
This isn't a difficult task, so you ......... be able to complete it by Friday. can should mustn't couldn't
Teresa ......... believe her eyes. She saw a man beating his wife on the street! couldn't must should could
You ......... have been really angry when your boss tried to embarrass you in front of your co-workers. can must shall won't
......... you come over for dinner on Friday night? I really want to hang out with you, so I hope you can come. Can Will have Must Must have
You ......... be serious? You want me to go skydiving with you on Saturday? No way, my friend! could should can't shall
She ......... be crazy! She wants to backpack through the Andes by herself. could can must shall
He ......... give me a straight answer. He avoided my questions the whole time. should have wouldn't might have will have
I ......... understand him because I don't speak French. So, we used body language to communicate with each other. might couldn't mustn't would have
You ......... worry all the time. Don't be so negative. You should be more optimistic about life. could have might not wouldn't shouldn't