A invites B to a party. A ) I have( I /have ) a party next Saturday. Can you come? B ) On Saturday? I'm not sure. Some friends of mine may come(come) to stay with me next week but I think they will go( they /go ) by Saturday. But if they will be( they /be) still here,I will not be( I/not /be) able to come to the party. A) Ok. Well,tell me as soon as .you know.(you / know). B ) Right I will contact you on the phone.( I / phone) you during the week