What are verbs?.

A verb is a "doing" word. A verb can express:

• A physical action (e.g., to swim, to write, to climb).
• A mental action (e.g., to think, to guess, to consider).
• A state of being (e.g., to be, to exist, to appear).

The verbs that express a state of being take a little practice to spot, but, actually, they are the most common. The most common verb is the verb to be. Below is the verb to be in the different tenses: