Past Simple We clean teeth every day. We cleaned teeth yesterday. V1 + ed ed
Regular verbs wash washed play played watch + ed watched walk walked clean cleaned
Every day / Yesterday wash- washed play-played watch-watched walk-walked clean-cleaned
Irregular Verbs =V2 yesterday last (week, Sunday, year, month) …. ago ( two days ago) In 1980 …
was -were He is in London.- He was in London two years ago. They are at school. – They were at school last Monday. I am a pupil.- I was a pupil in 2009. We are friends.- We … friends at school. She is a teacher.- She … a teacher 10 years ago.
?/- + He was in London two years ago. ? Was he in London two years ago? - He wasn’t in London two years ago.
Change into ?/- He was in Moscow last week. You were at home yesterday. They were at school last Monday. I was a pupil in 2009 We were friends at school. She was a teacher 10 years ago.