посчитайте разобраться)​

2. was cleaning, was working (**)

3. found, was playing (*)

4. was having, came (*)

5. was knitting, was smoking (**)

6. arrived, was painting (*)

7. were walking, started (*)

8. were you talking, came (*)

9. was reading, knocked (*)

10. was washing, cut (*)

11. broke, was dusting (*)

12. was building, was swimming (**)

(*) Длинное действие (Past Continuous) прерывается коротким действием (Past Simple);

(**) Два длинных действия (Past Continuous) происходили одновременно;

Past Continuous: was/were + V-ing

was - ед. число

were - мн. число

V-ing = verb (глагол) + ing (taking, reading, working)

Past Simple: V2 = глагол во второй форме

(если правильный, то добавляем окончание -ed (work-worked, start-started),

если глагол неправильный, то ставим во вторую форму (find-found, come-came, cut-cut)