Find a mistake: You mustn’t drink cold water. You must eating fruits.
eating -> eat
Find a mistake: You must watch TV too much when you have sore eyes.
must -> must not
what's the matter with him?
he has a backache
Find a mistake: You must taking a rest when you are sick.
taking -> take
Find a mistake: I mustn’t running when I have a sore foot.
running -> run
Find a mistake: My sister must carry heavy things when she has a backache.
must -> must not
I have a cold. I must not _____________
drink cold water.
I have a toothache. I must not __________
eat candies
What's the matter with her?
She has a fever.
Find a mistake: I must to get medicine when I am sick.
to get -> get