The document discusses the present simple tense and how it is used to talk about repeated or habitual actions and facts. Some examples of sentences using the present simple include "I use a screwdriver to tighten the screws", "A saw cuts wood", and "He/She/It reads". The document also provides questions to test understanding of verbs in the present simple, such as asking whether the verb for the spanner is "loosens" or "loosen" and whether the noun for the adapter is "shipping" or "shippings".