Акие предложения написаны в верных грамматических временах (right), а какие в неверных (wrong). 1) yesterday from 9 a.m. to 10 a.m. i was watching one very interesting program on tv. 2) i have been in paris last year. 3) i am visited my sister every weekend. 4) she usually drives very fast. 5) i was sleeping when someone knocked at the door.
1 - right
2 - wrong
3 - wrong
4 - right
5 - wrong