verb
be
To exist in a particular state.
The children are quiet as they enter the library.
Etymology
Old English beon already expressed being or existence. The modern verb links something with its condition, identifying the state in which it exists.
More examples
- I am ready to begin.
- The windows were cleaned before the guests arrived.
- She is being unusually patient with the delays.
Forms
be · am · is · are · was · were · been · being