Will you be free this Sunday为什么要用加be呢,不加不行吗,

Will you be free tomorrow. Will you be free toning? When will you be free this week? Will you be free tomorrow什么意思? will you—— tomorrow night?be free for free free for free 急, Everything will be free: will free还是 will be free为什么 next.will.be.you.week.free连词成句 -you-free nextsunday [A will ,are B will ,be C do ,be D are ,be 英语填空的,will you be free next monday?I'm( )not A.afraid B.free ----（be) you free tomorrow? Will you be free this afternoon?同义句Will you _____ _____this afternoon? I have to finish the report.If I ______ tomorrow,I would help you.A should be free B am free C will be free D is free She Will Be Free 歌词 Can you tell me______ A.when you will be free tomorrow B.when you are free tomorrow选择哪个? If I will be free tomorrow,I will go with you 改错 If I will be free tomorrow , I will go with you改错，速度 are you free 和will you be free的区别RT,如果加上未来的时间要用哪个?