Level: High Intermediate to Advanced

This is a lesson in two parts. Topic: Whether. In Part Two, we practice using "whether (or not)". Also, ESL Instructor Jennifer Lebedev offers more in-depth explanation about when we can replace it with "if" and when we can omit "or not".

1. Advise/Recommend/Suggest
2. "Think"
3. Requests (Part 1)
4. Requests (Part 2)
5. Requests (Part 3)
6. Wish & Hope (Part 1)
7. Wish & Hope (Part 2)
8. Wish & Hope (Part 3)
9. Wish & Hope (Part 4)
10. "-ing/-ed" Adjectives (Part 1)
11. "-ing/-ed" Adjectives (Part 2)
12. Prepositions (Part 1)
13. Prepositions (Part 2)
14. Whether (Part 1)
15. Whether (Part 2)

In this course, ESL Instructor Jennifer Lebedev gives 15 video lessons on some Common Mistakes in English.