Must, need to, and have to are similar modal forms in English. Learn the differences and when to use each, and then test your knowledge.
The Yogic Diet (Modal Verbs) ⋆ Annie The Yogic Diet (Modal Verbs)
How to Use Must, Have to, and Need to in English, must have
Modals of Permission
have to must –
5 Home Page Must Haves For Your Website, must have
Auxiliary Verb 'Must' used to indicate a strong intention or
How to Use Must, Have to, and Need to in English
Must, have to, should
English Modal Verbs: Must, Have to, Need to
Modal verbs: must, have to, need, should. Interactive worksheet
How to Use the Modal MUST - Learn English Grammar
Lecture Modals, PDF, Verb