10 sentences with might, may, must ,could, can't.

1.- He may have been sick, He was absent the entire week.

2.- He he could have practiced the entire week, that song was pretty good.

3.- It must have worked, the ensambled are allright

4.- You may have studied  medicine, you know too much about of that.

5.- We must have been playing all the time, It is too late.

6.- They may have asked for the motor instead of stealing.

7.- She may have been working all the night, she is sleeping right now.

8.- It could have been worked by a professional, the design is really good.

9.- I can't have lost my book, I need it for my Chemistry class.

10.- You can't have designed that attire, you're not so imaginative.