I'm 100% he is rich.
He must be rich.
What is he doing? He ___________ crazy! (100%)
must be
They look mad. They _________ angry at each other. (50%)
could be
He already graduated high school. That's impossible. He ________ older than 15. (0%)
can't be
Who are they saying hi to? I don't know. He ________ a friends of theirs. (50%)
could be
Why didn't Jose come to class today? No idea. He _________ sick. (less than 50%)
might be
Wow. He has a lot of trophies. He ________ a good soccer player. (100%)
must be
Wow. He is going to eat a big sandwich. Yeah, He _________ really hungry. (100%)
must be
Wow. That's very dangerous. Yeah, It's impossible that he's driving a car. (0%)
can't be.
That's a nice car. It ________ very expensive. (100%)
must be
What's wrong with Pedro? I don't know. He ________ nervous. (50%)
could be
Wow, They look scared. They _______ watching a scary movie. (100%)
must be
Look at that couple over there. They ________ on their honeymoon. (50%)
could be
Who is that girl with Ernesto? I don't know. It __________ his girlfriend. (50%)
could be
