为什么是If I "were" a bird?

问题描述:

为什么是If I "were" a bird?
后面不是单数吗?

条件句虚拟语气从句中的be动词的正确形式是 :
条件句虚拟语气中从句中的be动词不管是什么人称,多用were形式.但在非正式特别是口语中,第一、三人称单数也可以使用was.
1)If he were here now, he would give us a hand. 如果他现在在这儿,他会帮助我的.
2)If I were you, I would not go. 如果我是你,我是不会去的.
3)If she was here, we could ask her.如果她在这儿,我们可以问她.
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