Past Tense of Know, Past Participle of Know, V1 V2 V3 V4 V5 Form of Know Know means; Be aware of through observation, inquiry, or information. Verb V2 V3 V-es V-ing know knew known knows knowing Synonym Words With Know be aware realize be conscious have knowledge be informed have information be acquainted with have met be familiar with Example Sentences with Know I knew you were innocent. I know she didn’t go to school yesterday. She knew how much she needed help, but she didn’t help him. Does she know you? Here are more verbs and v1 v2 v3