I (be) ________ (play) ________ with my friends when my Mom (ask) _________ me a question
I was playing with my friends when my Mom asked me a question.
We (be) _______ (read) _________ books when our Dad (come) home.
We were reading books when our Dad came home.
My brother (be) _______ (do) _________ his homework while/were I watched TV
I finished my homeworks while my brother was watching TV.