Be - Present Simple

Positive forms:

I am = I'm                              we are = we're

you are = you're                  you are = you're

he is = he's                          they are = they're

she is = she's

it is = it's

Negative forms:

I am not = I'm not                                               we are not   = we aren't

you are not = you aren't                          you are not = you aren't

he is not = he isn't                                   they are not = they aren't

she is not = she isn't 

it is not = it isn't

Yes / No questions:

Am I ....?                                                   Are we .....?

Are you ....?                                             Are you ...?

Is he .....?

Is she ....?

Is it....?