UC知道英语关于since用法的一个问题！
来源：百度知道 编辑：UC知道 时间：2024/06/02 00:46:12
有一个句子是：
Since the government was bankrupt, many of the soldiers who were sent to quell the riots had not been paid in months.
为什么要用“had been”这个过去完成时而不用现在完成时？？
请详细解答！！！二楼，你的解释裏全是用现在完成时的~
Since the government was bankrupt, many of the soldiers who were sent to quell the riots had not been paid in months.
为什么要用“had been”这个过去完成时而不用现在完成时？？
请详细解答！！！二楼，你的解释裏全是用现在完成时的~
因为这件事发生在过去啊！
这是过去完成时 是过去的过去
1) since +过去一个时间点 (如具体的年、月、日期、钟点、1980, last month, half past six)。
I have been here since 1989.
2) since +一段时间+ ago
I have been here since five months ago.
3) since +从句
Great changes have taken place since you left.
Considerable time has elapsed since we have been here.
4) It is +一段时间+ since从句
It is two years since I became a postgraduate student.