为什么要加这个be?it hasn't been sired yet.it will be aired tomorrow

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/11/07 20:43:12

为什么要加这个be?
it hasn't been sired yet.it will be aired tomorrow.
后一句为什么有be呢?直接it will aired tomorrow.

e 构成进行式
They are[were] dancing.
他们正在跳舞.
[be v-ed]构成被动语态
The thief was caught.
窃贼被捉住了.
[be to-v]表示必要、打算、可能性、假设等或用来表示将来安排
You are to report to the police.
你应该报警.

Who will be our monitor hasn't been decided yet.分析一下这个句子是什么从 Who will be our monitor hasn't been decided yet.可以改成定语从句么,如何 It hasn't been decided yet whether/if he will come soon这句话的时 Hasn't anyone aired this room yet? it will be better为什么加Be? Dinner isn't teady yet._______ will it be ready? 明天将要非常冷为什么要加Be?选择!（）3.It will( ) very cold tomorrow.A.be B. it will be rainy tomorrow.为什么用的是 be It will be raining tomorrow. It will be cloudy tomorrow. It will be clear tomorrow. It will be r___ tomorrow.There will be r___ tomorrow.