【英语】Some people dream of success while others wake up and work hard at it

题目

【英语】Some people dream of success while others wake up and work hard at it
Some people dream of success while others wake up and work hard at it
请说说while在这个句子中的成分,什么时候才在while后面加v-ing形式,

答案

while作并列连词 然而 而 表示对比 去掉主语 用非谓语动词的主动结构 就可以用v-ing 此题不可转换因为主语不一样 while loving his students,he is very strict with them