Who works here? my parents work. в чем ошибка

My parents do potomu cto "work" eto to do

She said that she was leaving at six. i’m leaving at six, she said b)          не said peter often went fishing. i often go fishing, he said c)            she said she would be back later. i will be back later, she said d)          i said that i had just seen mark .  i have just seen mark, i said e)          alan said that they had left at 6.00. we left at 6: 00, alan said f)            helen said that she was working. i’m working, helen said g)          i said that we were late.  we are late, i said h)          he said he would phone back. i will phone back, he said i)              david said that he felt all right. i feel all right, david said j)              she said she loved ice-cream. i love ice-cream, she said