should/shouldn't and imperatives + -

Front

Your friend is very tired but has a big exam tomorrow.

Back

You should study a little and then go to bed early. / Get some rest.

Front

Your classmate always forgets to bring his homework.

Back

You should check your backpack before leaving home. / Don't forget your homework.

Front

Your brother wants to lose weight but eats fast food every day.

Back

You shouldn't eat fast food every day. / Eat more vegetables.

Front

Your friend's phone battery is always dead when they go out.

Back

You should charge your phone before going out. / Bring a charger.

Front

Your sister arrives late to school every morning.

Back

You should wake up earlier. / Don't go to bed so late.

Front

Your classmate feels stressed before a presentation.

Back

You should practice before presenting. / Take a deep breath.

Front

Your friend stays up until 3 a.m. watching television programs.

Back

You shouldn't stay up so late. / Turn off the television earlier.

Front

Your brother never wears a helmet when riding a bike.

Back

You should wear a helmet. / Don't ride without one.

Front

Your friend has a toothache but doesn't want to go to the dentist.

Back

You shouldn't ignore the toothache. / Go to the dentist.

Front

Your classmate talks during the professor's explanation.

Back

You shouldn't interrupt the professor. / Listen carefully.