Understanding Negative Prefixes in Vocabulary

The video tutorial by Alisha on EnglishClass101.com covers common negative prefixes in English, such as 'ILL-', 'IM-', 'IN-', 'IR-', and 'NON-'. Each prefix is explained with examples, highlighting how they alter the meaning of words to convey negation. The tutorial also delves into the etymology of certain words, providing a deeper understanding of their meanings. The video concludes with tips on using these prefixes correctly, emphasizing that they cannot be mixed and matched arbitrarily.

What is the primary function of a negative prefix in English?

• To create a negative meaning

• To change the word's tense

• To enhance the meaning of a word

• To create a positive meaning

Which of the following words uses the prefix 'ill-' correctly?

• Illperfect

• Illlegal

• Illpossible

• Illogical

What does the word 'illegal' mean?

• Not possible

• Not advised

• Not legal

• Not logical

Which word means 'not well advised'?

• Illegal

• Illogical

• Ill-advised

• Illperfect

What is the meaning of 'impossible'?

• Not advised

• Not logical

• Not perfect

• Not possible

Which word means 'not perfect'?

• Illogical

• Impeccable

• Impossible

• Imperfect

What does 'impeccable' mean in modern English?

• Advised

• Flawed

• Perfect

• Logical

Which prefix is used to indicate 'not able to distinguish'?

• Ir-

• In-

• Im-

• Ill-

What does 'indistinguishable' mean?

• Able to distinguish

• Not able to distinguish

• Able to conquer

• Not able to conquer

Which word means 'not determined'?

• Indistinguishable

• Indeterminate

• Invincible

• Irredeemable