USES

                                                           USES:

- The verb "to be" as an auxiliary verb:

Auxiliary verbs are verbs that are used together with the main verb of the sentence to express the action or state. 

Main verb + auxiliary verb = complete ideaThe verb "to be" can be used as an auxiliary verb to express ongoing(continuing) actions.

For example:

Anna is eating a sandwich.

"Eating" = the main verb.

"Is" = an auxiliary (helping) verb.

"is eating" (a complete idea) = the eating is IN PROGRESS.

More examples:

Kayla is walking home with her friends.

Justin and Ethan are watching a movie.

I am trying to get some sleep.


- The verb "to be" in passive sentences

The verb "to be" is used together with the third form of the verb (V3) in passive sentences.

For example:

ACTIVE: I eat an apple.

PASSIVE: The apple is eaten.

"Eaten" = the main verb (in the third form – V3).

"Is" = an auxiliary (helping) verb.

"is eaten" (a complete idea) = the subject of the sentence (the apple) is affected by the action. 
More examples:

People buy cars. --> Cars are bought.

Someone turned on the light. --> The light was turned on.

He will clean the house. --> The house will be cleaned. 

- Progressive Forms of the verb "to be"

The progressive form of the verb "to be" is "being."

This means the action is ongoing (continuing).

Examples:

The little boy is being naughty.

She was being rude, but then she apologized.

They are being tricked.

- Perfect Forms of the verb "to be"

The perfect form of the verb "to be" is "been."

This means the action is complete (finished).


Examples:

The little boy has been naughty.

She has been rude, but now she apologizes.

They have been tricked.