小学英语情态动词变换口诀包括“can/can't”、“may/may not”、“must/must not”和“should/shouldn't”。这些口诀帮助学生理解和掌握情态动词的用法和变换规则。
can/can't
can, can, can，能干什么？
I can swim, I can play，我能游泳，我能玩
can't, can't, can't，不能干什么？
I can't sing, I can't draw，我不能唱歌，我不能画画
may/may not
may, may, may，可能什么？
I may go, I may play，我可能去，我可能玩
may not, may not, may not，不能什么？
I may not eat, I may not watch，我不能吃饭，我不能看电视
must/must not
must, must, must，一定要什么？
I must study, I must listen，我一定要学习，我一定要听讲
must not, must not, must not，不可以什么？
I must not run, I must not shout，我不可以跑步，我不可以大声喊叫
should/shouldn't
should, should, should，应该什么？
I should help, I should share，我应该帮助，我应该分享
shouldn't, shouldn't, shouldn't，不应该什么？
I shouldn't lie, I shouldn't cheat，我不应该说谎，我不应该作弊
