*...Past Continuous...*

*Positive sentences*:

you put was when you have to put am,are, is...

I was eating pizza.

We were walking

*Negative sentences*:

you put (not) with was/were

I wasn´t eating pizza.

You weren't walking with me.

*Interrogative sentences*:

was I eating pizza?

you change was/were for the person

Were you walking with me?