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 ...

There are three basic kinds of verbs plus many subclasses. Here we cover only the three basic types. Initially, verbs are divided into main verbs and auxiliary verbs. Then auxiliary verbs are divided ...