Vocabulary Development: Using "in" and "un" to Express Opposite - JSS3 English language Lesson Note

Vocabulary Development: Using "in" and "un" to Express Opposite

 

Introduction to Prefixes: Prefixes are letters added to the beginning of a word to change its meaning.

 

Prefix "in-": "In-" is used to form opposites of adjectives. However, not all words with "in-" are opposites. Example: "Inaccurate" (opposite of accurate), "Inactive" (opposite of active)

 

Prefix "un-": "Un-" is also used to form opposites of adjectives and verbs. Example: "Unhappy" (opposite of happy), "Unlock" (opposite of lock)

 

Examples in Context:

- "The information was inaccurate." (not accurate)

- "She was inactive during the meeting." (not active)

- "He felt unhappy about the decision." (not happy)

- "Can you unlock the door?" (opposite of lock)

 

Common Words with "in-" and "un-":

- Incomplete (opposite of complete)

- Indirect (opposite of direct)

- Unfair (opposite of fair)

- Uncommon (opposite of common)