Question

Здравствуйте! Помогите пожалуйста найти и исправить ошибки в следующих предложениях!!!!
I`ll do it when I have finished to eat.
I shall bring them as soon as I has bought them.
Our parents, which are very old, live here.
I shall do it when I finished this letter.
Cars what are expensive are usually fast.
What a beautiful valleys!
This man what is my neighbour has caused the accident.
Заранее спасибо!)

Answer 1

I`ll do it when I  finish to eat.
I shall bring them as soon as I buy them.
Our parents, who are very old, live here.
I shall do it when I finish this letter.
Cars which are expensive are usually fast.
What a beautiful valley!
This man that (who) is my neighbour has caused the accident.