Unit 3 Lesson Prefixes il- and ir-

​When added to a base word, these prefixes create an opposite meaning.
Example: legal-lawful
illegal-unlawful

Multiple Choice

Fill in the blank with the correct vocabulary.

• replaceable

• irreplaceable

• logical

• illogical

Multiple Choice

Choose the correct vocabulary word to complete the sentence.

• illegible

• logical

• regular

• irregular

Multiple Choice

Use the correct word to complete the sentence.

• illegible

• legible

• responsible

• irresponsible

Multiple Choice

Choose the correct word to complete the sentence.

• logical

• illegible

• irresponsible

• responsible

Multiple Choice

Use the correct word to complete the sentence.

• irregular

• regular

• illogical

• logical

Multiple Choice

Use the correct word to complete the sentence.

• illegal

• legal

• regular

• irregular