had came into use是过去完成时,就是表示过去的过去.
Last year表示的是一般过去,并没有体现过去的过去.
换个例子：
Before i ate an apple,my sister had eaten a banana.这句中,“我吃苹果”发生在过去,“我妹妹吃了一根香蕉”发生在“我吃苹果”之前,也就是发生在过去的过去,所以用过去完成时.
英语初级问题.Last year it came into use为什么不用had came into use这是过去完
4个回答
相关问题
-
Last year,however,it came into use.
-
When the teacher came into the classroom, all of us ________
-
He saw a man come into the outer office.为什么不用came into?
-
完形填空I came to study in the US last fall. My life had been qu
-
用came.into.being造句
-
She came into the house ,and had a rest .
-
英语翻译I came to study in the US last fall.My life had been qui
-
When the mountains came into _____ sight at last, everyone t
-
came into 怎么翻译 ,
-
The sunspot came into its active stage, __________ that happ