这两句话的意思有什么不同?1.HE HAS BEEN HELPING ME.2.HE HAD BEEN HELPING ME.

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这两句话的意思有什么不同?1.HE HAS BEEN HELPING ME.2.HE HAD BEEN HELPING ME.

这两句话的意思有什么不同?1.HE HAS BEEN HELPING ME.2.HE HAD BEEN HELPING ME.
这两句话的意思有什么不同?
1.HE HAS BEEN HELPING ME.
2.HE HAD BEEN HELPING ME.

这两句话的意思有什么不同?1.HE HAS BEEN HELPING ME.2.HE HAD BEEN HELPING ME.
时态不同,一个是现在完成时,一个是过去完成时.过去完成时是指在过去的过去完成了的事,现完是现在完成的事.具体解释就是has been那句:说话时他还在帮助我 had been那句:说话时他已经帮完我了.

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