Как образуется past continuous tense? напишите формы глагола to write в past continuous tense

Существительное + was/were + глагол с -ing. Was writting. (В ед. числе) Were writting (в мн. числе)

I.he.she.it was writing
you.we.they were writing
was/were+глагол+ing
was единств. число
were множ.число