IL, IR, IM, IN: Expand your English Vocabulary with Negative Prefixes!

Would you like to easily expand your English vocabulary and learn new words? Would you like to learn how to make positive words negative with one simple trick? That simple trick is to use the prefix un. ‘IL’, ‘IR’, ‘IM’, and ‘IN’ are negative prefixes that will help you to improve your English quickly.

What is a prefix? A prefix is a series of letters at the beginning of a word that will change the meaning of the word and create a new word. The prefixes il-, ir-, im-, and in- all mean not. When you put ‘il’, ‘ir’, ‘im’, or ‘in’ in front of a word, it will make that word negative. For example: if you put ‘in’ before the word correct, you create the word incorrect. Incorrect means not correct, wrong. By studying words with the negative prefixes, il-, ir-, im-, and in- you can easily learn new words and improve your English communication skills!

As you expand your English vocabulary with these prefixes, there are a few grammar rules to remember for speaking English and writing English.

IL- is a negative prefix which is add to the beginning of words starting with the letter ‘L’:
Il + legal = illegal
Il + logical = illogical
Il + literate = illiterate
Il + legible = illegible

IR- is a negative prefix which is add to the beginning of words starting with the letter ‘R’:
Ir + regular = Irregular
Ir + relevant = irrelevant
Ir + replaceable = irreplaceable
Ir + responsible = irresponsible

IM- is a negative prefix which is add to the beginning of words starting with the letters ‘M’, ‘P’, and ‘B’:
Im + possible = impossible
Im + mature = immature
Im + patient = impatient
Im + balance = imbalance
Im + mature = immature
Im + polite = impolite

IN- is a negative prefix which is add to the beginning of words starting with any other letter. Use in- if a word doesn’t start with the letters ‘L’, ‘R’, ’M’, ‘P’, or ‘B’:
In + correct = incorrect
In + visible = invisible
In + appropriate = inappropriate
In + secure = insecure
In + formal = informal

By the end of today’s English lesson you will have learned how to use negative prefixes il-, ir-, im-, and in- to easily expand your vocabulary. The examples of different words using these prefixes will help you to sound more like a native English speaker and score higher on tests like IELTS. Thank you for watching, “IL, IR, IM, IN: Expand your English Vocabulary with Negative Prefixes!” I hope this vocabulary lesson will be useful for you as you improve your English. Good luck with your English studies!

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Learn about another negative prefix UN: https://youtu.be/hjv8T6PLxn0

In addition to prefixes, suffixes are also a great way to improve your English vocabulary. Learn about the -ion suffix: https://youtu.be/lWmfTN_onZw



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