Understanding English Verb Tenses

What percentage of all written and spoken English is done in just five grammar tenses?

How many verb tenses are there when combining the three main tenses with their four aspects?

Which verb tense is used for actions happening now or around the present moment?

Which verb tense is used for actions that started in the past and are ongoing up to the present?

What is the most commonly used verb tense in English communication?

Which verb tense is used to talk about completed actions in the past?

Which verb tense is used to describe habitual or repeated actions in the past?

Which verb tense is used for spontaneous decisions?

Which verb tense is used for actions that will be in progress at a specific time in the future?

Which verb tense is used for actions or events at an unspecified time in the past?