Double Negative

Double negative refers to a clause in which two negatives are used instead of one to give emphasis.

Incorrect Usage: The audience could not barely hear the speech.

Correct Usage: “The audience could barely hear the speech” or “The audience could not hear the speech”.

Incorrect Usage: He does not know nothing about this deal.

Correct Usage: “He does not know about this deal” or “He knows nothing about this deal”.