| Soggetto | TO BE | Contratta |
| I | am | I'm |
| you | are | you're |
| he | is | he's |
| she | is | she's |
| it | is | it's |
| we | are | we're |
| you | are | you're |
| they | are | they're |
| Sogg | TO BE | NOT | Contratta |
| I | am | not | I'm not |
| you | are | not | you aren't |
| he | is | not | he isn't |
| she | is | not | she isn't |
| it | is | not | it isn't |
| we | are | not | we aren't |
| you | are | not | you aren't |
| they | are | not | they aren't |
| TO BE | Soggetto |
| am | I |
| are | you |
| is | he |
| is | she |
| is | it |
| are | we |
| are | you |
| are | they |
| TO BE | Sogg | NOT | Contratta |
| am | I | not | aren't I |
| are | you | not | aren't you |
| is | he | not | isn't he |
| is | she | not | isn't she |
| is | it | not | isn't it |
| are | we | not | aren't we |
| are | you | not | aren't you |
| are | they | not | aren't they |
Le forme estese sono usate per lo più nella lingua scritta e hanno un'accezione più formale rispetto alle forme contratte, che sono usate nella lingua parlata corrente. La forma contratta della prima persona singolare della forma interro-negativa aren't I...? è usata nella lingua parlata.
| Soggetto | TO BE |
| I | was |
| you | were |
| he | was |
| she | was |
| it | was |
| we | were |
| you | were |
| they | were |
| Sogg | TO BE | NOT | Contratta |
| I | was | not | I wasn't |
| you | were | not | you weren't |
| he | was | not | he wasn't |
| she | was | not | she wasn't |
| it | was | not | it wasn't |
| we | were | not | we weren't |
| you | were | not | you weren't |
| they | were | not | they weren't |
| TO BE | Soggetto |
| was | I |
| were | you |
| was | he |
| was | she |
| was | it |
| were | we |
| were | you |
| were | they |
| TO BE | Sogg | NOT | Contratta |
| was | I | not | wasn't I |
| were | you | not | weren't you |
| was | he | not | wasn't he |
| was | she | not | wasn't she |
| was | it | not | wasn't it |
| were | we | not | weren't we |
| were | you | not | weren't you |
| were | they | not | weren't they |
- Are you English? (Sei inglese?) - Yes, I am. / No, I'm not. (Sì / No)
- Is Sheila nice? (E' carina/simpatica Sheila?) - Yes, she is. / No, she isn't. (Sì / No)
- Are you tired? (Siete stanchi?) - Yes, we are./ No, we aren't. (Sì / No)
- Were you in London last year? (Sei stato a Londra l'anno scorso?) - Yes, I was. / No, I wasn't. (Sì / No)
- Was Rudy at home? (Era a casa Rudy?) - Yes, he was. / No, he wasn't. (Sì / No)
- Were you tired? (Eravate stanchi?) - Yes, we were./ No, we weren't. (Sì / No)
Il Participio Passato (Past Participle) del verbo essere è been (“stato”).
Esempio: I have been to London this week (Sono stato a Londra questa settimana).
Quest' opera è distribuita con licenza Creative Commons Attribuzione - Non commerciale - Non opere derivate 3.0 Italia.