помогите срочно.... даю 40 баллов. надо согласовать времена!

11) I asked if you were cold.

12) She asked if you wanted a drink.

13) They wanted to know if you could speak German.

14) She asked Ken if he was on duty.

15) He askes Nelly if she had said that.

16) The policeman asked men what they were doing.

17) She asked how your brother was.

18) The woman asked me what I wanted.

19) Nick asked why I was carrying a camera.

20) An officer asked a girl what her name was.