请问这句话的时态对不对?
teachers would be given raises if test scores show that their students's mastery of reading skills has improved over a nine-month period.
为什么要用would 不用will?作者: Ne-yo 时间: 2011-6-29 16:47
如果是虚拟 为什么if后面的show 不变成were to show作者: bigpig 时间: 2011-6-29 16:56