1)人称代词的主格与宾格：I/me, we/us，you/you, he/him, she/her, it/it, they/them.主格一般做主，也可做主语补足语和主语的同位语，还可用于强调结构。宾格主要做宾语，也可做宾语补足语和用于强调结构。
【例句】
It was she who saved the drowning boy from the icy river.The two leaders, Terry and I, are to take all the responsibilities of the accident.
Joe Brown, who was afraid that he might lose his job as an employee in the company, has just had an interview with his employer and asked him for help.
2)人称代词的顺序：在连续使用两个或两个以上人称代词时，通常排列为第二人称、第三人称、第一人称。在承认错误或自我批评时，往往把第一人称放在第三人称前、第二人称后。
【例句】
You and I are to finish the task together, therefore we should cooperate with each other wellI and Betty made the mistake. Please don t blame it on the other people.