Respuesta:
Positivas:
I was in the school
We were Classmates
She was playing with the cell phone
Negativas:
I wasn't running In the morning
They weren't in the beach
We were not friends
Preguntas:
Were you Cooking?
Was he play soccer?
Was Mario swimming in the beach?
Explicación:
Was se usa para I, She, he y it
Were se usa para you, we y they
En oraciones negativas usas wasn't o Weren't o bien colocas un not después
Cuando haces una pregunta escribes el was o were al inicio
Espero te haya ayudado :)