Title: Comparing Present and Past
Course: Basic English General

Use of did and do/does

 | Present simple | Past simple
Aff | Subj+ v present +C 3rdsing+ (v+s)+ C | Subject+ v past +C
Neg | Subj+ do/does +not+v+c | Subject+ did +not+ v pres+C
? | Do/does + Subj+v+C? | Did +Subj+v present+c?

We play tennis > We played tennis

They work in Gavà> They worked in Gavà

She studies French > She studied French

I don’t live in Oslo > I didn’t live in Oslo

We don’t speak Russian > We didn’t speak Russian

They speak French> They spoke French