https://www.youtube.com/watch?v=3lI3R9_Z1HY
#DailyVideo
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It's not necessary to watch the whole 30 min video. I'd rather recommend to absorb information using small blocks. Some tips:

1) 1:00 - 9:05 - Present Simple + Continuous; Past Simple + Continuous

2) 9:05 - 19:50 - The Perfect Tenses

3) 19:50 - end - The Future Tenses
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