You _____ be right − but I'm going to check to make sure.
could
might
can't
couldn't
He has to work on his free time? He _____ feel very happy about that.
might
may
can't
couldn't
Look at that guy's enormous muscles. He _____ work out a lot.
might
can't
couldn't
must
He worked hard on his report, then accidentally deleted the file. He _____ be upset.
might
can't
could
must
We're not sure if this painting is an original. It _____ be worth thousands of dollars.
could
can't
must
might
This place _____ be expensive; it looks very fancy.
might
may
can't
must
He's working full-time and he has just had a baby. That _____ be easy.
may
could
couldn't
can't
They _____ be at the kindergarten already; they just left home.
couldn't
could
must
can't
It _____ have rained a lot last night - there are puddles everywhere.
might
could
may
must
They _____ have forgotten about the meeting; they’re usually punctual.
may
must
might
can't
We'll try to get there on time but we _____ arrive late if it rains.
may
must
could
can't
She goes camping every weekend. She _____ really love the outdoors.
can't
might
couldn't
must
That noise _____ be coming from the kids outside.
could
can't
must
might
I'm so thankful for your help. I _____ have done it without you!
couldn't
must
could
can't
She _____ have known about the surprise party.
can't
couldn't
might
must