What's this?
grass
Look and say
You must go straight ahead
What are they?
flowers
You ___ talk in class.
must
mustn't
Look and say
You must put litter in the bin
Look and say
You mustn't eat and drink here
You ___ read comics at school.
mustn't
must
What's this?
fountain
What's this?
path
What's this?
playground
Look and say
You must be quiet here
Look and say
You mustn't walk your dog here
Look and say
You mustn't smoke here
Look and say
You mustn't sit here
What's this?
tree
What's this?
litter
Look and say
You mustn't swim here
Look and say
You mustn't run here
What's this?
bin
Look and say
You mustn't ride a bike
Look and say
You must cross the road here
Look and say
You mustn't turn right
You ___ listen to the teacher.
must
mustn't