forgot to turn off the light 与He forgot turning off the light 两句的区别.
问题描述：
forgot to turn off the light 与He forgot turning off the light 两句的区别.
意思我知道、麻烦帮我解释一下。
答
He forgot to turn off the light.他忘了关灯了（根本没关）.
He forgot turning off the light.他不记得他关了灯了（跑回家又关去了）.