英语问题
he laughed when the doctor saw the patient opened his eyes 为什么写OPENED 而不是see sb do
he laughed when the doctor saw the patient opened his eyes. 此句还原为:he laughed when the doctor saw that the patient opened his eyes.所以这样一来就可以看出是用过去式opened了。
这里saw后面的部分the patient opened his eyes应该是个省略了连接词that的宾语从句,这样为了使前后时态保持一致,就用了过去时态的opened,这里open是动词.
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