must be sent must be separate must be separated must be separately must be serious must be seriously must be served must be serviced must be set must be set aside must be set free must be set up must be settled must be severe must be severely must be shaken must be shared must be shed must be shipped must be shocked must be short must be shown must be shut must be shut down must be sick must be signed must be silenced must be silent must be similar must be simple must be simplified must be sincere must be single must be sitting must be skilled must be sleeping must be slipping must be slow must be small must be smaller must be smart must be smiling must be smoking must be smooth must be so must be so busy must be so cool must be so excited must be so exciting must be so happy must be so hard must be so much must be so pleased must be so proud must be so relieved must be so scared must be so worried must be sold must be solid must be soluble must be solved must be some kind must be some mistake must be some other must be some other way must be some reason must be some way must be some way out must be somebody must be somebody else must be someone must be someone else must be something must be something else must be something going must be something good must be something he must be something here must be something i must be something more must be something special must be something to do must be something wrong must be something wrong with must be something you must be something you want must be somewhere must be somewhere here must be sorted must be sought must be sound must be special must be specific must be specifically must be specified must be spelled must be spent must be spoken must be sponsored