Uploaded March 2025 | Updated September 2026, 1 week ago

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Today Aly will teach you how to identify and use all the main prefixes and most common suffixes in English.

What's the difference between Mis- Dis- and Un- ?
What movie do you find REwatchABLE?
Is there a difference between INsecure and UNsecure?

Find out in today's English lesson!

0:00 - intro
1:03 - ABLE
3:29 - Difference between prefixes DIS- and UN-
5:29 - Difference between prefixes DIS- and MIS-
8:18 - RE-
9:22 - ISH
11:03 - When to use prefixes IM- IN- and IR-
11:25 - Difference between INsecure and UNsecure
11:31 - PRE and POST prefixes

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► ABOUT ME:
Hi! I’m Aly, I'm from London, and I've been teaching English for more than 10 years. I love teaching English and helping YOU study English better and in a more fun way!
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