145
10
3
1
6. 4 
Past Continuous and Past Simple.
We use the Past Continuous to say something was in progress at a precise moment in the past.
[+]
I/He/She/It
was watching
TV.You/We/They
were sleeping
at 9 p. m.[-]
I/He/She/it
wasn't (was not) watching
TV.You/We/They
weren't (were not) sleeping
at 9 p. m. Was.[?]
Was
I/he/she/it watching
TV? Yes, I/he/she/it was
. |No, I/he/she/it wasn't.