first conditionalis used to express a decision you might make or an event that might happen on a condition. For example, “If you watch this video, you will become very clever!” In this lesson, I will teach you how to create first conditional sentences using verbs you already know in the present and future simple tenses. It will be very useful in your conversations with others. You will be able to create scary threats or sound like a really wise person who can predict the future! After watching, don’t forget to do the quiz to test your understanding.