Prefixes il, ir, im, in

Match the prefixes with the root words.

• ir

• dent

• im

• legal

• il

• perfect

• in

• regular

The prefixes il, ir, im and in all mean NOT.

• true

• false

Gus was angry at his ​ (a)   to score a goal in the soccer game that day.

• inability
• inibility
• inebility

Janet stood ​ (a)   as the bees buzzed around her head.

• immobile
• imobile
• inmobile

Mary’s whisper was ​ (a)   to the crowd that was gathered in the distance.

• inaudible
• imaudable
• imaudible

The dog grew ​ (a)   as it waited for its food.

• impatient
• inpatient
• immpatient

Arthur was sure to speak to each ________ guest at his party.

Rich felt _______ on his first day at the new school.

It is ______ to talk loudly during a movie.

• immpolite

• inpolite

• impolite

The smudges of ink on the paper made his writing ______.

• ilegible

• illegible

• illegable