can
could
mustn't
____ I speak to you for a moment?
____ I interrupt for a moment?
He's not answering his phone. He ___ in a meeting.
be able
is able
shouldn't
He ___ already walk on his first birthday.
must
should be
You ___ smoke in here! You could start a fire!
May
Can
Surely he ____ 60, he only looks about 40!
shouldn't
There ___ be a storm later.
She _____ to speak fluent Japanese.
can't be
could be
It's 23:00, Laura is 10, so she ___ in bed by now.
can
She is pregnant, she _____ be carrying that heavy suitcase.
I want to _____ to sing like Adele.
It's very hot in the summer, but it ____ be freezing in winter.
You ___ buy a ticket if you don't want to.
She ___ speak fluent German.
must be
don't have to
You ___ eat so much chocolate if you want to lose weight.
I ____ go home now. I've got to be at work early tomorrow.
may
Of course, I ______ wrong.