把下列句子转化成其相应的否定形式和疑问句形式.
She has spoken to him.＿＿＿＿＿＿＿＿＿＿＿＿＿
His sister has done her homework.＿＿＿＿＿＿＿＿＿＿＿＿＿
He bought this house last year＿＿＿＿＿＿＿＿＿＿
Sophie has typed this letter＿＿＿＿＿＿＿＿＿＿＿＿＿＿
Mrs Jones is watching television in the living roon.