The document discusses the present simple tense in English. It is used to talk about actions, states or events that happen at any time, repeatedly, or all the time. Verbs take an 's' ending in the third person singular. Examples of sentences in the present simple tense are provided, including "I work in the hospital", "They play in the park", and "He has a house very beautiful". The present simple is often used with adverbs or adverb phrases that indicate frequency, such as always, never, often, sometimes, usually, every day, week on sundays, twice a month, or year.