2. Presente continuo.
We use it with normal verbs to express the idea that something is or isn’t
happening right now.
It can be used as
An affirmation A question A denial
You are reading a book. I’m not swimming.
Is he sitting or standing?
3. Pasado continuo.
It’s normally used to indicate that an action was interrupted. It can be a
real interruption or just an interruption in time.
It can be used as
An affirmation A question A denial
We were watching tv when
you called.
She wasn’t listening to me
while I was talking.
What were you doing when I
arrived home?