1) He worked in the centre of Chicago.
2) Did he work in the centre of Chicago?
3) He didn’t work in the centre of Chicago.
4) They read a lot of books.
5) Did they read many books?
6) They didn’t read many books.
7) The children ate soup.
8) Did the children eat soup?
9) The children didn’t eat soup.
Хотя, как в последних раскрывать в past simple, если там “now”?...