will后面为什么加be1；People will live to be 200 years old.为什么加be?2；People will have robots in their homes 中为什么不加be?

will后面为什么加be1；People will live to be 200 years old.为什么加be?2；People will have robots in their homes 中为什么不加be? 一般将来时will 后面为什么加be some people 后面的动词为什么不用加s in the future i think cities will be crowded because there will be a lot more people.a lot 后面加名词不是必须要加of 吗,为什么这个没加 will 为什么后面加动词原形,而be willing后面为什么加动词不定式 help yourslef 后面加thanks还是I will 为什么? will后面接形容词中间为什么要加be 被动语态will后面为什么要加be? 为什么whether后面能加will,if就不行呢 为什么would like后面加to be而will后面加be呢? It is not unusual for people to be subject to criticism people后面为什么加to i like talking to people 为什么要加 talkingtalk后面为什么要加ing It will be snow.后面不加Y,为什么there will be snowy and.后面加Y? for all the people of the world为什么all后面要加the,of后面为什么要加the? will 后面可以加must There will be fewer people.加附加疑问句为什么是否定问句为什么?到底怎么变? will后面加原形还是加什么? Will后面加be还是加amisare