在英语中，助动词和人称变化口诀是一种帮助学习者记忆助动词和主语、宾语的人称和数的变化的方法。以下是一些常见的助动词和人称变化的口诀：

1. 助动词 "be" 的变化：

- I was, you were, he/she/it was, we were, they were.

- I have been, you have been, he/she/it has been, we have been, they have been.

- I do, you do, he/she/it does, we do, they do.

- I did, you did, he/she/it did, we did, they did.

- I have done, you have done, he/she/it has done, we have done, they have done.