Make a poster about table manners for your school canteen. example: don't use always eat.. you should.. you shouldn't составить 6-7 предложений

Don't use your fingers while eating. 
Always eat in silence. 
You should sit up straight. 
You shouldn't put your elbows on the table. 
You should put your dirty knife, spoon and fork on your plate. 
You shouldn't lick your fingers. 
You should say "Thank you" after the meal.