Закінчити речення в past continuous 1.When the rain started,.... 2.When she saw the accident,.....
Закінчити реч в past perfect 1.When I came home,....... 2.Before we met with friends,.....​

Ответ:

в past continuous  ​1.When the rain started, the boys were planting trees. 2.When she saw the accident, she was walking along the street.

в past perfect 1.When I came home, my younger sister had cut all the paper.  2. Before we met with friends, I had helped my parents.

Объяснение: