By Writing letters, Simple past

Ah, many answers are correct, it depends on the point of view... 1. Snapshot in the present "she is writing letters while her son is watching TV" Both are doing this at the same time; the duration is the same. 2. Snapshot in the past "she was writing letters while her son was watching TV" Both...

1) a) We watched TV all night. b) We were watching TV all night. What is the context for the above? You said you didn't sleep last night. What have you been doing all night, then? We were watching TV all night; we were playing cards all night; we were dancing all night. Let us say that the...