1) I ...…… ( not see ) my cousins since Christmas
=> I have not seen my cousins since Christmas
2) Mark isn't here . He ……… ( go) to the cinema with Kim
=> Mark isn't here . He has gone to the cinema with Kim
3) we ......... ( make ) some cakes . Would you one?
=> we has made some cakes . Would you one?
Có lẽ là vậy