Сделать правильно и раскрыть скобки или настоящее время. и написать к какому оно относиться. (present simple, present perfect и т.д.) 1)they (build) their house in 1995 2) when i came hpme my dod (already) go to work. 3)they (build) the house by winter last year. 4) while we (watch) the birds, we (hear) a strange noise. 5) i could not find my umbrella somebody. 6) i was busy all last month i (wark) on my report.
2)Had already gone - past perfect
3)Built - past simple
4)Were watching- past continuous , heard - past simple
6) was working - past continuous