TO BE - present - past - future

                       Verb “to be” – SER / ESTAR 

		Pronome (sujeito)	To be Presente	To be Passado	To be Futuro
¨	Eu Você Ele Ela * Nós Vocês Eles (as)	I You He She It We You They	am are is is is are are are	was were was was was were were were	will be will be will be will be will be will be will be will be

Forma Afirmativa

Presente: You are a good student?     → sujeito + verbo (am – are – is)*

Passado: They were enemies?                       → sujeito + verbo (was – were)

Futuro:            We will be friends forever?    → sujeito + will be

*No presente, o verbo TO BE pode ser abreviado com o pronome pessoal da seguinte forma: I am = I’m,   He is = He’s,   She is = She’s,    It is = It’s,   You are = You’re,   We are = We’re,   They are = They’re.

Forma Interrogativa

Presente: Are you a good student?     → verbo antes do sujeito

Passado: Were you sick?                               → verbo antes do sujeito

Futuro:            Will you be free tomorrow?   → apenas “will” antes do sujeito

Forma negativa

Presente: She is not my teacher.                     → to be + NOT*

Passado:          We weren’t enemies.              → to be + NOT*

Futuro:            I won’t be here tonight.          → will + NOT = won’t

*Atenção: podemos empregar o verbo TO BE na forma negativa, abreviado ou não. Porém, o verbo “am” não pode ser abreviado com “not”. Veja:

She is  not  my teacher.                   They are  not  good friends.                          I am not a good singer.

                æ = isn’t                                            æ = aren’t                                               æ = I’m not

We were not from the same class.                                         She was not at the party.

             æ = weren’t                                                                          æ = wasn’t