Complete the sentences using unreal conditional(present or past) if i came home later... if he had known my address... i was not well prepared for the examination. I wish... if i had seen you yesterday... if i had known that yo...

if i came home later my mother would be angry. if he had known my address we would have visited me yesterday. i was not well prepared for the examination. I wish I had worked harder. if i had seen you yesterday I would have told you about it. if i had known that you needed my help I would have helped you. if i were in your place I would buy another model of the mobile phone. if i had a computer I would write the report faster.