Understanding Prefixes: in, im, ir, and il

This video tutorial explores the use of prefixes 'in', 'im', 'ir', and 'il' in English. It explains how these prefixes alter the meaning of root words and provides rules for their application based on the initial letter of the root word. The video includes exercises to practice adding prefixes, matching them to words, and spelling. It concludes with a summary and directs viewers to additional resources for further learning.

What is a prefix?

• A letter or group of letters added to the end of a word

• A type of punctuation mark

• A letter or group of letters added to the beginning of a word

• A word that describes an action

Which prefix is used before a root word starting with 'm'?

• il

• in

• im

• ir

What prefix would you add to the word 'possible'?

• ir

• il

• im

• in

Which prefix is used before a root word starting with 'r'?

• in

• im

• ir

• il

What prefix would you add to the word 'logical'?

• in

• im

• il

• ir

Which prefix is used before a root word starting with 'l'?

• in

• im

• il

• ir

What is the correct prefix for the word 'patient'?

• il

• in

• ir

• im

Complete the sentence: The teenager was rather _____.

• irregular

• immature

• illegal

• incomplete

Complete the sentence: The school had an _____ phone number.

• immature

• incorrect

• irresponsible

• illegal

Complete the sentence: It's _____ to drop litter on the street.

• illegal

• incomplete

• irresponsible

• immature