Modal verbs are words that change the meaning of other verbs. We use them to express if something is certain, likely, possible or impossible. Words like ‘could’, ‘would’, ‘may’, ‘can’, ‘must’, and ...

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, ...

Making polite requests are a part of daily life in a range of situations – we might be in a formal setting like an office, at a work party or we might be making a request because we need something.