we didnt need to hurry,there was plenty of time为什么用didnt need to 而不用needn't have done
问题描述：
we didnt need to hurry,there was plenty of time为什么用didnt need to 而不用needn't have done
答
没有虚拟,所以不用needn't have done
我们没必要匆忙,时间有的是.
如果是：我们本来没有必要匆忙,…….那就用虚拟