be to do表将来怎么用

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/15 17:04:28

be to do表将来怎么用
与现在进行时表将来有什么区别?

一、现在进行时表将来有两种情况：

1、表示正在运动过来或着手准备的将来,用于带有倾向性动词,如：

be coming 就要来（正向现在走过来）
be leaving 就要离去（正着手准备离去）
be approaching临近（正一步步靠近）
be drawing靠过来（正一点一点拖动过来）

2、用于时间、条件、地点或让步从句,表示将来正要实施的动作,如：

He will come a little later when you are having the meeting. 你们举行会议的时候他会稍微晚一些到来.
I will call you if you are visiting our sity. 如果你访问我市,期间我会给你打电话.
Where they are working, they will inquire of the poor about their past sufferings. 在他们要工作的地方,他们每周都将访贫问苦.
I'll call to see you this evening though I am writing my essay. 即使我正写着论文今晚我也一定去看你.

二、be to do表示已经确定日程的将来,如：

The meeting is to be held next week. 会议定于下周召开.
He is to be on a business trip to Shenzhen tomorrow. 他定于明天到深圳出差.

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