Here is a quick video about two words that can be confused: Finished and Ready

https://www.youtube.com/watch?v=5xH-YX43rTI
3 Tips for Improving English Vocabulary

https://www.youtube.com/watch?v=6LYfoVRq9Vc
Among or Between. Which is Which?

https://www.youtube.com/watch?v=Vp_3Uq8QHZg