I'm afraid this cannot be done in a simple way. This will help you on your way: Forget (infinitive verb, present tense, imperative verb) - I want to forget it. - I always forget it. - Forget it. Forgot (past tense) - I forgot it. Forgotten (adjective and participle) - The forgotten world. - I have forgotten my password. If you need to look up any of those terms, you can search Grammar Monster here. They are all covered with examples.