Нужно перевисти придложения которые внизу и образовать в форму （утвердительнцю,отрицательную и в.вопрасительную ） 1 я писал сочинение вчера весь день 2 в то время когда я играл на пианино, моя мама готовила обед буду ！
1. Yesterday I wrote the essay all day long.(утвердит.) Yesterday I didn't wrote the essay all day long.(отриц.) Did yesterday I wrote the essay all day long? (вопр.) 2. When I was playing the piano, my mother was cooking dinner.(утвердит.) I didn't played the piano, when my mother was cooking dinner.(отриц.) Did I playing the piano, when my mother was cooking dinner?(вопр.)
Если я правильно понял, то все должно быть как-то так) удачи)))
Yesterday I didn't wrote the essay all day long.(отриц.)
Did yesterday I wrote the essay all day long? (вопр.)
2. When I was playing the piano, my mother was cooking dinner.(утвердит.)
I didn't played the piano, when my mother was cooking dinner.(отриц.)
Did I playing the piano, when my mother was cooking dinner?(вопр.)
Если я правильно понял, то все должно быть как-то так)
удачи)))