Should and shouldn't

They _____ go to the party more often. (+)

You _____ watch a lot of TV. (-)

We _____ be in the meeting next week. (-)

I _____ study for the test tomorrow. (+)

If she is pregnat, she _____ do todo much exercice. (-)

If she ir tired, she _____ go to sleep. (+)

_____ we see any scary movie? (+)

_____ she drink more water? (+)

If he can´t drive, he _____ buy a car.(-)

If you are sick, you _____ go to the doctor. (+)