English verbs - Wikipedia
https://en.wikipedia.org/wiki/English_verbsVerbs constitute one of the main parts of speech (word classes) in the English language. Like other types of words in the language, English verbs are not heavily inflected. Most combinations of tense, aspect, mood and voice are expressed periphrastically, using constructions with auxiliary verbs. Generally, the only inflected forms of an English verb are a third person singular present …