1 и 2 задание.....пожалуйста

Ex 1 2.Yes,I know but him I cant remember her name. 3.Yes,I know them but I cant remember their names. 4.Yes,I know you but I cant remember your name. Ex 2 2.him 3.them at their 4.with me at my 5.with her at her 6.to stay with you at your