Take notes and write down important information. You can listen to the video many times.
Listen to the videos. There will be many new words. Do NOT translate words you don't know. When you hear a sentence you understand, practice repeating it. This will help your pronunciation.
Past Continuous Form:
Past Continuous Positive and Negative
Past Continuous Mixed Exercise 1
Past Continuous Mixed Exercise 2
Past Simple or Past Continuous?
Past Simple or Past Continuous Exercise 1
Past Simple or Past Continuous Exercise 2