关于英语中逗号的问题

题目

关于英语中逗号的问题
"if you keep calm,take your time concentrate and think ahead ,you'll pass your driving test"和“ l was walking in the street ,while a man stoped me ,asking me where the new restaraut was”这两个句子不都一样吗?为什么第二 句那里不能说while a man stoped me ,asked me .

答案

asking me where the new restaraut was修饰前文,补充a man stoped me的目的.你的说法没有不可以,但是你换成过去式以后变成表示连续的两个动作,这个时候中间要加and,或者另起一句完整的句子.while a man stoped me a...