Past Continuous Tense
is used to indicated an action which was occuring in the past and was interrupted to another action
Pattern :
a) Subject + was/ were + Verb + -ing
* I was listening to the radio
b) Subject + past countinuous + when + subject + simple past
* I was listening to the radio when my brother went
c) Subject + simple past tense +while + subject + past countinuous
* Johan read a book while Martha was watching television
d) Subject + past countinuous + while + subject + past countinuous
* Martha was wathcing television while John was reading book
