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?
问题描述：
will后面为什么加be
1；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?
答
be是be动词，表示"是"的意思
答
will 要加动词原形.be才是原形.1；People will live to be 200 years old.为什么加be?答：本句中的be“是、成为”的意思.中文：人们将活到200岁.2；People will have robots in their homes 中为什么不加be?答：will...