These children were in the park last week.
Were these children in the park last week?
Where were these children last week?
When were these children in the park?
What children were in the park last week?
Who was in the park last week?
These children were in the park last week.
Were these children in the park last week?
Where were these children last week?
When were these children in the park?
What children were in the park last week?
Who was in the park last week?