什么是be invited to

to be invited的to啥意识 They will be invited to my birthday party.Invited 后面为什么要加to呢 例：You will probably be invited to the party. All Gruner Corporation employees will be invited to the holi 可题是 It is_____ _____ _____ to be invited here today 什么是to be 结构 iYou are invited to our party to be held tomorrow evening.to She thought ____ great honour to be invited to speak to us. 英语翻译It's my great honor to be invited here to give a speech. 求翻译 It is a great honour to be invited to attend the opening I feel it's a great honor for me to be invited to this party It's a great h____ to be invited to speak here