In Present simple^x, Definite articles^x, Conditionals^x

<<Do we have to use the definite article "the" for each tense or not? >> To be very strict about it, yes, but we frequently write telegraphically and leave out the the, especially on this site, where we use the names of the tenses so often. <<1.In the use of the Present...

There are twelve tenses in English grammar. Do we have to use the definite article "the"for each tense or not? Can you give me some explanations,please?In the below examples, Do we have to use "the" or not?1.In the use of the Present Simple.2.The Present Perfect Tense or Present Perfect...