4、sstreamsunbatheadmirePart2GrammarJNCE-3B反身代词另外,when和while的区别还在于:while引导的时间状语从句多用进行时态,而when引导的时间状语从句多用一般时态。例如:1、While they were talking , the bell rang.正在他们谈话的时候,上课铃响了。2、I was doing my homework when my mother came back home yesterday evening.昨天晚上妈妈回家的时候,我正在做家庭作另外,when和while的区别还在于
5、:while引导的时间状语从句多用进行时态,而when引导的时间状语从句多用一般时态。例如:1、While they were talking , the bell rang.正在他们谈话的时候,上课铃响了。2、I was doing my homework when my mother came back home yesterday evening.昨天晚上妈妈回家的时候,我正在做家庭作Iyouhesheitweyoutheymyselfyourselfhimselfherselfitselfourselvesyourselvesthemselve