Worksheets / English / Modal verbs (have to, don't have to, must, mustn't) Modal verbs (have to, don't have to, must, mustn't) Worksheet by Zeljka JC Subjects English Grades Grade 7 Language ENG Assignments 12 classrooms used this worksheet Teacher Feedback 5 comments Modal verbs (have to, don't have to, must, mustn't) modal_verbs english_grammar sentence_structure functional_language Educational Standards CCSS CCSS.ELA-LITERACY.L.6.3 CCSS CCSS.ELA-LITERACY.L.7.3 CCSS CCSS.ELA-LITERACY.L.7.1 Make it yours