过去将来时表示从过去某个时间看将要或将来发生的事，它的基本形式为would/ should +动词原形 (should用于第一人称I 和we)。

　　例如：I thought he wouldn't attend that evening party, but to our surprise, he came. 我以为他不会参加那个晚会，但是令我们惊奇的是，他来了。

　　I said on Tuesday that I should see my friend in Beijing the next day. 我星期二说过，第二天我要到北京看我的朋友。