我的困惑是：主句用过去时态,除了一般真理外,从句是不是一定要用过去时?比如：他昨天告诉我说我们明天没有数学课.

我的困惑是：主句用过去时态,除了一般真理外,从句是不是一定要用过去时?比如：他昨天告诉我说我们明天没有数学课.
应该是：Yesterday he told me that we would have no math class tomorrow.
还是：Yesterday he told me that we will have no math class tomorrow.