用may来提问怎么回答

　　may和might用法的区别

　　might后接动词的完成式，除表示对过去的推测外，还有以下用法(不用may)：

　　1、表示过去某事可能发生而实际上却并没发生：

　　A lot of men died who might have been saved．

　　很多人本来可以获救的却死了。

　　It was really very dangerous. I might have killed myself.

　　那真的是太危险了，我差点没命了。

　　2、表示委婉的批评或责备：

　　You might have made greater progress.

　　你的进步本来可更大一些的。

　　You might at least have answered my letter.

　　你至少可以回我一封信嘛。