when和while引导的从句可不可以用现在进行时

Question

如题所述

Answer 1

when 和 while引导的从句可以用现在进行时.eg.
when he is thinking about sth, he always frowns.
while you are driving,remeber that safe is the first.
不过while当"当....时候"讲时后通常用进行时态