Complete the dialogue. use the correct form of the present continuous for future. mum- what /do) this weekend? ann- well, on saturday i meet) sarah in town. we have) lunch. then i think we go) to the cinema. mum- sarah/ come) here for dinner? ann- no, she is not. they ( celebrate) her grandma`s 60 th birthday later. mum- oh, that`s nice. they/ have) a party? ann- no, they aren't. they have) a family meal together.