It would not have been better/ if it had been a little bit cooler.
解析:这是一个由If引导的虚拟条件句.表示对过去情况的假设,主句用would+have done;从句用had done的形式.
It would not have been better/ if it had been a little bit cooler.
解析:这是一个由If引导的虚拟条件句.表示对过去情况的假设,主句用would+have done;从句用had done的形式.