Vocabulary: Word Formation & Morphology (B1) - Lesson 1: Common Prefixes for Opposites

Lesson 1: Common Prefixes for Opposites Word Formation & Morphology (B1) A powerful way to expand your vocabulary is to learn how to create opposites . Instead of learning two completely different words, you can often just add a small group of letters to the beginning of a word to change its meaning. These letter groups are called " prefixes ". This lesson will teach you the most common prefixes used to create opposites. Key Vocabulary Opposite (noun) | ពាក្យផ្ទុយ A person or thing that is completely different from another. Prefix (noun) | បុព្វបទ A group of letters added to the beginning of a word to change its meaning. Prefix 1: "un-" This is the most common prefix. It can be used with many different adjectives to mean "not". happy ➞ un happy (sad) healthy ➞ un healthy (bad for you) kind ➞ un kind (mean) comfortable ➞ un comfortable Prefix 2: "im-" We often use im- before adjectives that start with the letters 'm' or 'p'. possible ➞ im possible patie…