完成句子,为什么用to be held,不能用to will be heldThe next World Cup is reported _________(将举办) in Brazil in 2014.(hold)

Are you going to attend the meeting to be held next Sunday?句子中为什么不用will be held而用to be held呀? 完成句子,为什么用to be held,不能用to will be heldThe next World Cup is reported _________(将举办) in Brazil in 2014.(hold) Are you going to the party to be held at Smith's home 为什么用to be held will be held……这是什么结构时态?如句子~`The party will be held in our classroom.这句话的will be held ,是什么时态?为什么用held?你这么说是``这样也算是一般将来时吗？ be held to;be held out;be held on;be held 只要意思就好了,快, when will the party be held.这句话中为什么用be held .不懂. to be held怎么翻译 根据图画用 be going to完成句子 it is said that the olypmpic games to be held in londonit is said that the olypmpic games to be held in london will cover more events than their parents laps 为什么要用to be held 而不是would be held 可以用when and where the meeting tobe held吗?to be held 是什么语法形式? Are you going to the party （） at his homethis eveving?为什么不填 held 填to be held Are you going to attend the meeting （to be held） next Sunday?为什么不是being held? Some students ran back to the dormitory,magazine ___under thei arms.A.to be held B.was held C.held D.Such being 为什么选C? We are invited to a party ____in our club next friday A to be held B held C being held D holding为什么选A Weather permits ,the sports meeting will be held as scheduled为什么用permits 而不用ing或to do 结构 在the meeting ( ) tomorrow is very important .中,括号中应该填什么,为什么.A 、held B、to be held C、being held D、helding did you attend the dancing party____at his house yesterday?A.held B.having been heldC.to be held D.being held 选哪个 为什么? People should be held accountable for rheir own action. 请达人指点这里为什么要用BE HELD的被动形式