I don't buy those pants what she wear was a good idea.如果在日记中,可以这样时态不一致吗?

I don't buy those pants what she wear was a good idea.如果在日记中,可以这样时态不一致吗?

我认为这句话有错误,what应该为which,wear应加s,而且前后时态不一致

可以的。因为这样想，这句子是引用的。要是我不对，请告诉我。