The verb be has the following forms:
|Present simple:||Affirmative||I am
|Question form:||Am I?
Is he/she it?
|Negative:||I am not/ I’m not
You are not/ aren’t
He/She/It is not/ isn’t
|We are not/aren’t
You are not/aren’t
They are not/aren't
|Past simple||I was
|The past participle:||been.|
|Present perfect:||has/have been|
|Past perfect:||had been|
The verb be is used in the following patterns:
1. with a noun:
My mother is a teacher.
Bill Clinton was the president of the US.
2. with an adjective:
This soup is very tasty.
The children were good.
2.1 with the -ing form to make the continuous aspect
We were walking down the street.
Everything was wet. It had been raining for hours.
2.2 with the -ed form to make the passive voice
The house was built in 1890.
The street is called Montagu Street.
This car was made in Japan.
3. with a prepositional phrase:
John and his wife are from Manchester.
The flowers are on the table.