Why don´t we_______ a birthday party for my grandma? having have to have. What about _______ all our neighbours to the party? invite inviting to invite. I think we _____ _______ it as a surprise to everyone to make should make would making. Yes, and what about _______some candies and cakes? buy buying buing. Let´s_______ Peter , as well! invite inviting to invite. Why ______go to a museum? don´t we don´t we to don´t. Let´s ______for a meal to go out going out go out. What about____ to the shopping centre? going go to go. Why don´t _____ the doctor? you visit we visiting visit. Would you like ___ ____ somehing to eat? to have should have to having.