Сделать утвердительную форму предложения во временах: past simple, past continuous, past perfect.
i often help my mother.

I helped my mother (P.S)

I was helping my mother (P.C)

I have been helped my mother (P.P)

I helped my mother yesterday-Past Simple

I was helping my mother when my father came back home from work-Past Continuous

I had helped my mother before I went to play football-Past Perfect