摘要：2．表示期待或推测. If the flight was on time, you should ought to have arrived in Shanghai early this morning. 如果航班准点的话.你今早就能到上海了. The building should ought to have been completed by the end of the week. 这幢建筑物本周末前应该能完工. F．would have done 表示与过去事实相反的假设或结果. I would have been happy to see him, but I didn't have time. 我会很高兴和他见面的.但我没时间见他. If your father had still been alive, he would have felt very proud of you. 你父亲如果还健在的话.他会为你骄傲的.

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