Put in the correct form of the Past Progressive. The sentences are mixed now.

They were laughing.
They . (Negative, long form)
They .  (Negative, short form)
You were laughing.
You . (Negative, short form)
You . (Negative, long form)
I was laughing.
I .  (Negative, long form)
I .  (Negative, short form)
He/She was laughing.
He/she .  (Negative, short form)
He/She .  (Negative, long form)
You were laughing.
You .  (Negative, long form)
You .  (Negative, short form)
We were laughing.
We .  (Negative, short form)
We .  (Negative, long form)