Dear Teacher,<br/><br/> Please tell me if they are correct:<br/><br/> What books have you lent him?<br/><br/> Whose books have you lent him?<br/><br/> What have you lent him?<br/><br/> Which have you lent him?<br/><br/> Whose have you lent him?<br/><br/> Thank you.