all作主语时反义疑问句用什么

all作主语时反义疑问句用they例句：All the things are new，aren't they

All of people will go shopping tomorrow afternoon，won't they?All the students can work out the math questions，can't they?上面地例句都说明了all做主语时反意问句该怎么回答的。

all做做主语时，所指内容是复数，谓语动词用复数

所指内容是不可数，谓语动词用单数

all

has

been

eaten

up.

all

are

present

Let's

have

a

meeting