Kitty had a bath yesterday.(画线部分提问,yesterday)
When did Kitty have a bath?
They have some nice pictures.(一般疑问句）
Do they have any nice pictures?
His grandparent visits the history museum once a week(一般疑问句）（画线部分提问,once a week)
Does his grandparent visit the history museum once a week?
How often does his grandparent visit the history museum?