After the accident,my back was very painful for a long time.was very painful=was a pain 可以么?
问题描述：
After the accident,my back was very painful for a long time.was very painful=was a pain 可以么?
答
不可以
pain是名词
painful是形容词
答
After the accident, my back was a in pain for a long time.
答
was very painful = was in pain
pain 不可数
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答
不可以，可能用was in a pain还是可以的