I was about to go for a walk ___ it began to rain .when while as _英语解答

I was about to go for a walk ___ it began to rain .when while as which 为什么A不是B
A when B while C as D which
be about to do 后不是不能加时间状语吗

人气：245 ℃　时间：2019-11-23 15:18:13

解答

WHILE后面通常加一段时间例如I CAN TAKE CARE OF MYSELF WHILE YOU ARE ON HOLIDAY 而WHEN更接近于那一时间点WHEN HE CAME BACK,I WAS DOING HOMEWORK.根据题意我刚要去散步就下起了雨说的更偏向于时间点所以相比之下应选WHEN更合适
2可以加时间状语啊将来时一共有三种表达方法,1 WILL SHALL+DO表示主观意愿 2 BE+ DOING表示计划,3 BE ABOUT TO DO有刚要即将要..的意思可以加时间状语