"Don't forget to do" 用英语可以说成 "Don't forget to do (something)".

这个短语是由两个单词 "don't" 和 "forget" 组成的。"Don't" 是 "do not" 的缩写，是一种用来表示禁止或拒绝的祈使句，意思是 "不要" 或 "别"。"Forget" 是一个动词，意思是 "忘记"。

下面是一些用 "don't forget to do" 这个短语的英文例句和中文翻译：

Don't forget to turn off the pghts before you leave the house. (出门前别忘记关灯。)
Don't forget to bring your umbrella. It's supposed to rain today. (带上你的雨伞。今天应该会下雨。)
Don't forget to call your mom on Sunday. (周日别忘记给你妈妈打电话。)
Don't forget to take your medicine on time. (按时服药别忘记。)