You should take be have more care of your computer.

I really should work go come now. I'm already late for class.

You shouldn't see watch look too much TV.

Work Tell Give me that book, please.

You shouldn't be do want so quick to judge people.

Tell Speak Say those people to be quiet.

If you are feeling depressed, perhaps you should make enjoy do more exercise.

Don't remember forget remind to water the plants while I'm away.