Should

     Positives
     You should take it easy.
     She should go to bed early.
     We should go somewhere exciting for our holiday.

   

     Negatives
     You shouldn't get angry.
     He shouldn't work so much.
     I shouldn't do it if I were you.

   

     Questions
     Should we tell her the truth?
     What should I do?
     Shouldn't we try to finish it now?