the children didn't played soccer in the park last sunday
Were the children played soccer in the park last sunday?
Where the children played soccer last sunday?
there weren't about nine hundred people at the concert
were there about nine hundred people at the concert?
How many people were there at the concert?
There wasn't only one problem
was there only one problem?
Yes,there was/No,there wasn't
Ann didn't does her homework yesterday evening
Did Ann does her homework yesterday evening?
What does Ann did yesterday evening?