Как поставить предложения в паст прогрессиве и паст симпл?

Paat progressive это was/were + ing
например
I was playing when he called me.
past simple это простое время, когда глагол во второй форме
например
I played

Past Progressive - Подлежащее + сказуемое (was/ were) + дополнение + обст. места + обст. времени. 
I was reading a book at 5 o'clock yesterday.
They were playing computer games when their mother came home.

Past Simple - Подлежащее + Сказуемое (вторая форма глагола. если правильный - окончание -ed) и т.д.
I read a book yesterday.
They played computer games three hours ago.