关于此课程： This is the first course in the Learn English: Advanced Grammar and Punctuation specialty. In this course, you will review the verb tenses that you learned in beginning English classes and learn about a few tenses you may not know very well. In all, you'll cover all 12 of the English verb tenses and passive verb forms. Most importantly, you'll learn how to blend these tenses, which is what native speakers frequently do. This course is vital to your becoming a more fluent English speaker. Please note that the free version of this class gives you access to all of the instructional videos and handouts. The peer feedback and quizzes are only available in the paid version.