为什么要加ed以及must be done 和must be doing
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/19 04:31:25
为什么要加ed以及must be done 和must be doing
We must be prepared for any eventuality.我们必须有所
准备以防万一.为什么prepare要加ed?这里我没看出来有被动语态呀?
must be done 和must be doing有什么区别?一个是被动一个表现在进行?
We must be prepared for any eventuality.我们必须有所
准备以防万一.为什么prepare要加ed?这里我没看出来有被动语态呀?
must be done 和must be doing有什么区别?一个是被动一个表现在进行?
在这里是为万一发生的事情做准备,并不是我们准备万一啊,所以这里是被动的.至于另外一个问题,看下面的解释
sth must be done非马上采取点行动
It must be done这是必要的
And Must Be Done而且必须做到
Something Must Be Done必须有所作为
must be doing 表示对现在的推测
He was sure she must be doing newspaper work as a lark .
他觉得毫无疑问,她一定为了消愁解闷才做新闻工作的.
sth must be done非马上采取点行动
It must be done这是必要的
And Must Be Done而且必须做到
Something Must Be Done必须有所作为
must be doing 表示对现在的推测
He was sure she must be doing newspaper work as a lark .
他觉得毫无疑问,她一定为了消愁解闷才做新闻工作的.
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