Ребят очень нужно Поставить в форму либо past simple, past continuous, past perfect, past perfect continuous
Можете просто написать правильные слова в скобках, НЕ пишите всё предложение, чтобы вам трудно не было

1) It (happen) long time ago, whan I was still a child
2) My brother and I (do) homework while Mam was cooking dinner
3) When we finally got to bus stop, the bus already (leave)
4) They (live) here for twenty years before they moved to Moscow
5) Russian (hold) the World Cup in 2018
6) When he got to the cinema the film (start)
7) She (work) in garden for several hours before we came to help her
8) When I (have) a shower someone knocked on the door
9) By the time my parents came home I (cook) dinner
10) We met Jane while we (walk) home
11) He (learn) for several weeks before he started to drive
12) It was a wonderful day: the birds were singing and the sun (shine) brightly
13) Before we went to London last year I (be) there twice
14) While Ben was skating he (fall) down and hurt badly his knee