Rule:
Subject + Was / Were + Verb+ing + rest of sentence
Words ending in -e: -e becomes -ing
--> care - was caring / joke - were joking
Words ending in -c: -c becomes -cking
--> panic - was panicking / mimic - were mimicking
Words ending in -p: -p is doubled, then +ing
--> stop - was stopping / flap - were flapping