You can use the auxiliary to reinforce the meaning of the sentence. For example, If you say: 'I do love you', you're emphasizing the action, it's like saying 'I really love you'.

Adding "do" adds emphasis. More information: https://www.thoughtco.com/what-is-the-emphatic-do-1690590 http://www.michellehenry.fr/emphasize.htm

He goes to school . Correct He does go to school. Incorrect, unless does is used for particular emphasis, usually in spoken English

These two sentences may seem similar at first glance, but the difference lies in their emphasis. "He goes to school" simply states the routine action of attending school. On the other hand, "He does go to school" adds emphasis, suggesting a clarification or contrast, perhaps in response to a previous statement. The use of "does" intensifies the statement. For academic tasks that demand precision in language, consider expert assistance. Service https://academized.com/writing-services/write-my-essay is a reliable resource for write my essay with finesse. If you find yourself needing help in crafting a well-structured essay, check out their services here - because sometimes, the right words can make all the difference!

When you say "he goes to school" it's mean he goes and it's normal because there isn't confirm And when you say "he does go to school" you confirm he went