Задайте все возможные вопросы и сделайте предложение отрицательным. the scientist translated the article himself

The scientist didn't translate the article himself.

Did the scientist translate the article himself?

Did the scientist translate the article or the book himself?

Who translated the article himself?

What did the scientist translate himself?

How did the scientist translate the article?

The scientist translated the article himself, didn't he?