Coursera - Perfect Tenses and Modals

In this course, you will learn about intermediate verb tenses, including present perfect, present perfect progressive, past perfect, and past perfect progressive. You will also learn about common modal verbs used in English. This course is designed for learners who have a basic understanding of English grammar but who want to learn more and improve their skills for everyday speaking or writing, as well as for academics.

It includes external subtitles srt