This document discusses the first and second conditional in English grammar. It provides examples of sentences using the first conditional to describe possible future events if something happens, such as "If I make sport exercises, I will be in form." It also gives examples of sentences using the second conditional to describe hypothetical or unlikely events, such as "If they won the lottery, they wouldn't work any more." The document aims to illustrate the structure and use of the first and second conditional through short example sentences.