When the cabin crew is making its periodic

When the cabin crew is making its periodic
checks,the passenger will often have questions
about service,schedules,routes and weather.
这个句子的从句为什么用现在进行时?

007浪迹nn 1年前已收到4个回答举报

yxb886 幼苗

共回答了19个问题采纳率：89.5% 举报

现在进行时在时间状语或条件状语从句中表示将来正在进行的动作,比如：Don't wake him up if he is still sleeping at 7 tomorrow morning.
而一般将来时总是用在一些时间状语从句或条件状语从句的主句中.

1年前

枫雪山人幼苗

共回答了4个问题举报

同意楼上的观点。

1年前

56xcsfg 幼苗

共回答了263个问题举报

强调乘客问问题的时候船员“正在”作例行检查

1年前

范小流幼苗

共回答了1个问题举报

现在进行时的句子做时间状语从句，表明主句发生时的时间状态。

1年前

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