"I remembered to buy milk" or "I remembered buying milk"? What is the difference in meaning? "I forgot to water the plant" or "I forgot watering the plant"? English teachers often use similar questions in their tests. In this lesson, we will look at the verbs "remember" and "forget" and when they should be followed by a gerund or an infinitive. The meaning of "I remembered to watch this class" and "I remembered watching this class" is very different.