I'm not sure I trust Peter. He ______ the person we think he is.
He _________ be in class. I saw him at the library a minute ago.
He ______ his son, they look completely different.
He ______ be very proud of you right now. You disappointed him.
If Suzan said that, it ______ true. She never lies.
The phone is ringing. It ________ be Charlotte; she said she would call this morning.
I think there ______ a mistake in your tax return. You should check it.
There's a bit of traffic, so I ______ arrive in time.
He ______ be at the gym right now. Sometimes he goes there at this time.
might be / may be
can't
can't
might
might not / may not
might not be
must
can't be
must be