Which tense do we generally use to speak about permanent actions?

Which tense do we generally use to speak about temporary actions?

Which tense do we generally use to speak about atemporal states?

Which tense do we generally use to speak about actions happening right now (ie at the moment of speaking or writing)?

Which tense do we generally use to speak about regular and repeated actions and events?

Which tense do we generally use to speak about repeated actions which are very close to the moment of present?

Which tense do we generally use in commentaries, especially commentaries of quick actions (eg football or hockey)?

Which tense do we generally use in describing demonstrations?

Which tense do we generally use in stories to talk about the most important actions and events?

Which tense do we generally use in stories to talk about 'background actions and events', ie those actions and events that are secondary to the flow of the story?

Which tense do we generally use in commentaries of relatively slow actions, eg boat races?

Which tense do we generally use in formal correspondence?

Which tense do we generally use in informal correspondence?

Which tense do we generally use when we speak about summaries of books, films, plays, etc?

Which tense do we generally use to speak about actions happening around the moment of present or a specific time frame in the present?

Which tense do we generally use with the phrases 'Here ...' and 'There ...'?

Which tense do we generally use with verbs such as 'feel, hurt, ache' to describe pain one is suffering at the moment of speaking or writing?

Which tense do we generally use in instructions?

Which tense do we generally use in connection with adverbs of frequency?

Which tense do we generally use in connection with adverbs of frequency and adverbials (eg continually, constantly, forever, always) to talk about actions happening more often than one considers wise or natural?

Which tense do we generally use in demonstrations?

Which tense do we generally use to speak about changes?

Which tense do we generally use to speak about developments?

Which tense do we generally use in connection with 'verbs of understanding' (eg gather, understand, hear, see, say) to speak about actions and events that one has learnt about and which are still considered valid at the time of speaking.

Which tense do we generally use to speak about general facts?