Completar frases MODALS TO EXPRESS DEDUCTIONVersión en línea COMPLETE THE PHRASE WITH THE CORRECT MODAL VERB. por María M F 1 must can't must could could can't Don't eat it ! It be poisoned ! She isn't answering the phone , she be out . They be Spanish , they're speaking Portuguese . Don't put it up there . It fall off and hit someone . You have worked all day , you be tired . That be James , James wears glasses .