I am not in touch with my high school friend Lola any more. She might have gotten married or she (might / must) have moved away.
might
They must have passed the exam because...
they studied a lot
Ron couldn't have forgotten about the party because....
..he organized it!
I had my keys 5 minutes ago and now I can't find them. They (must / might / can't) be here somewhere.
must
She must have been happy because...
she won some money!
I told Charles - only Charles - my secret and now everyone knows! He (must / might) have told everyone.
must
I'm not sure why they don't come with us. They (must not / might not / can't ) have enough money.
might not
She might not have laughed at the joke because...
she didn't understand it
Sally didn't stay home last night. Where do you think she went?
She may / might / could have gone...
She (must not / might not / can't) be a vegetarian. I saw her eating a hamburger for lunch.
can't
Jenny (must / may / can't) have a problem. She's been crying all day.
must
I don't know where Adam is. He (must / might / can't) be at the bank.
might
She (must not / might not / can't) want another candy. She has already eaten 50!
can't
I'm not sure if John is married. He (must not / might not / can't) be.
might not
David (must not / might not / can't) have broken his arm yesterday. I saw him playing tennis today!
can't
Shirley (must / might / can't) have a driver's license. I saw her driving downtown.
must
Mark goes skiing every weekend. He (must / might / can't) like skiing.
must
Luke (must / might / can't) be tired today because he couldn't sleep at all last night.
must
I don't want to go to the beach. I heard it (must / might / can't) rain later.
might
Lorrie bought something new and expensive yesterday. What do you think she bought?
She may/might/could have bought...
Someone called but I don't know who it was. It (must / may ) have been Alice.
may
Irv looks unhappy. Maybe he lost his job or his girlfriend (must / might) have broken up with him. I don't know.
might
She couldn't have gotten lost because...
she had a map
Where do you think your teacher went on her last vacation?
She may / might / could have gone..