You ____ smoke in the hospital.
mustn't
You ___ eat healthier if you want to be fit.
should
When I was younger I ____ run fast.
could
Grandpa, you ____ smoke! Smoking is very bad.
shouldn't
They ___ drink coca cola every day, it's bad for their health.
shoulnd't
Smoking ____ cause cancer.
can
Football players ____ touch the ball with their hands.
mustn't
I ___ swim.
can
At school we ____ wear a uniform.
must
You ___ stop when the traffic lights turn red.
must
She ___ come to the party, but I am not sure.
might, may
It ___ rain tomorrow!
could, may, might
I ____ speak when I was a baby.
couldn't
You ___ do your homework if you want to pass the subject.
should
Zebras ___ climb trees.
can't