Generally, a modal is used before the infinitives of other verbs and we don't use the word to. It's important to use the right modal at the right time. For example, using the word must gives the ...

This article is about the modal verbs in English grammar. It provides a definition of modal verbs as special auxiliary verbs that add meaning to main verbs. Along with it, modal verb exercises ...

Modal verbs neither change their forms nor have the infinitive and participle- past or present - like other verbs.

A childcare assistant gives feedback to a parent on her child's progress.

Modal verbs, which express a likelihood, ability, permission, request, order etc., usually help main verbs to state the future.