23 Helping Verbs and Expressions
Helping verbs help the main verb to describe action. That action happened in the past or is happening in the present or will happen in the future.
| Am | Is | Are | Was |
| Were | Being | Been | Be |
| Has | Have | Had | Did |
| Shall | Will | Should | Would |
| May | Might | Must | Can |
| Could | Does | Do |
