| Presente | Pasado |
| I am tired. / I'm tired. | I was tired. |
| She is a doctor. / She's a doctor. | She was a doctor. |
| They are students. / They're students. | They were students. |
| I am here. | I was here. |
| We are at the hospital. | We were at the hospital. |
| I |
am
(I'm) |
happy. |
| She / He / It |
is
(She's / He's / It's) |
|
|
You
We They |
are
(You're We're They're) |
| I |
am
(I'm) |
an engineer. |
| She / He / It |
is
(She's / He's / It's) |
|
| You |
are
(You're We're They're) |
an engineer.
engineers. |
|
We
They |
engineers. |
|
I
She / He / It |
was | happy. |
|
You
We They |
were |
|
I
She / He / It |
was | an engineer. |
| You | were |
an engineer.
engineers. |
|
We
They |
engineers. |
Complete las frases con la forma afirmativa correcta del verbo "be".
Presente| I |
am not
'm not |
happy. |
| She / He / It |
is not
isn't |
|
|
You
We They |
are not
aren't |
| I |
am not
'm not |
an engineer. |
| She / He / It |
is not
isn't |
|
| You |
are not
aren't |
an engineer.
engineers. |
|
We
They |
are not
aren't |
engineers. |
|
I
She / He / It |
was not
wasn't |
happy. |
|
You
We They |
were not
weren't |
|
I
She / He / It |
was not
wasn't |
an engineer. |
| You |
were not
weren't |
an engineer.
engineers. |
|
We
They |
engineers. |
Complete las frases con la forma negativa correcta del verbo "be".
Presente| Am | I | happy? |
| Is | she / he / it | |
| Are |
you
we they |
| Am | I | an engineer? |
| Is | she / he / it | |
| Are | you |
an engineer?
engineers? |
|
we
they |
engineers? |
| Was |
I
she / he / it |
happy? |
| Were |
you
we they |
| Was |
I
she / he / it |
an engineer? |
| Were | you |
an engineer?
engineers? |
|
we
they |
engineers? |
Complete las preguntas con la forma correcta del verbo "be".
Presente