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, ...

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.

Modal verbs are verbs that indicate likelihood, ability, permission or obligation.

Modal verbs are verbs that indicate likelihood, ability, permission or obligation.

Here s a set of basic but tough grammar questions posted in Jose Carillo s English Forum by an Iran-based member who goes by the cryptic username r_a: What are the differences between a helping verb, ...