The document discusses the present continuous tense in English. It is used to describe actions that are happening now. Examples are provided of positive statements using the verbs "be" and "-ing", negative statements using "be", "not" and "-ing", yes/no questions using "be" and "-ing", and wh- questions starting with "what" followed by "be" and "-ing". The present continuous tense expresses ongoing or current actions in the present time.