be to do sth 和be going to do的区别

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be to do sth 和be going to do的区别
be to do sth 和be going to do的区别

be to do sth 和be going to do的区别
be going to do打算和计划做某事
be to do sth 表达一种意愿,时间短相当于 willing to do

be to do something:
应该做某某事
be going to do:
要去做某某事

"be going to do"表示即将发生的或最近打算进行的事。
例如:We are going to have a meeting today.
It is going to rain.
"be to do sth "表示按计划进行或征求对方意见。
例如:Are we to go on with this work?
The boy is to go to school tomorrow.

be to do sth 想去做某件事情,表示还没去做的,要去做的.
be going to do 要去做某事情,已经发生