Mr.Brown worked in a bank for a year before he came here.这个句

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/16 15:50:24

Mr.Brown worked in a bank for a year before he came here.这个句子有没有语法问题,可不可以这么说?
对比：Mr.Brown had worked in a bank for a year before he came here.

不行,下面的：
Mr.Brown had worked in a bank for a year before he came here.
才是正确的.
首先看时间：before he came here 是过去的过去
for a year 有时间上的延续
那么时态应该选用过去完成时态才行
再问： for a year 确实有时间上的延续，但是work 也是延续性动词啊 MR. Brown worked in a bank for a year. 和 MR. Brown has worked in a bank for a year.应该都没有语法问题，只是强调的重点不一样而已。

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