I will be back 和I will back.为什么要加be?
问题描述:
I will be back 和I will back.为什么要加be?
I wil be with you .with 呢
答
要加,back 是副词,不是动词.系表结构,要有个系动词beI wil be with you . with 呢此句be 和with 都不能缺。