Short/contracted forms and long forms in the Past Progressive

How to use short/contracted forms in Past Progressive

We use short/contracted forms of auxiliaries in spoken English. The Past Progressive is formed with the auxiliary to be (was, were), so short/contracted forms are only possible in negative sentences.

1. Affirmative forms

Pronouns Long forms Contracted forms
I I was reading not possible
you you were reading
he, she, it he was reading
we, you, they they were reading

2. Negative forms

Pronouns Long forms Contracted forms
I I was not reading I wasn't reading
you you were not reading you weren't reading
he, she, it he was not reading he wasn't reading
we, you, they they were not reading they weren't reading