Modal verbs close A modal verbA verb which shows ability, permission, necessity, obligation or possibility eg can, must, should, want. are used to express ability, permission, necessity, obligation or ...

Modal verbs, which express a likelihood, ability, permission, request, order etc., usually help main verbs to state the future. It is the reason they are categorised as auxiliary verbs in the context.

Imagine trying to speak without expressing possibility, permission,or necessity; it would be like painting without colour. That’s were the modal verb step in. These special helping verbs—can, could, ...