题目
To his credit,Tom never told the enemy exactly what had happened.
"happened"前面可以加had吗?不是一般都直接写成what happened.
"happened"前面可以加had吗?不是一般都直接写成what happened.
提问时间：2020-10-23
答案
had happened是过去完成时,指过去的过去发生的动作.
Tom never told the enemy exactly what had happened.
told说明是过去式,而不告诉敌人发生过什么就是“过去的过去”,要用had happened
what happened一般用于问句.
Tom never told the enemy exactly what had happened.
told说明是过去式,而不告诉敌人发生过什么就是“过去的过去”,要用had happened
what happened一般用于问句.
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