Question

Unskilled craftsmen had not demonstrated their skills. (Make affirmative)​

Answer 1

Answer:

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Answer 2

Answer to the given question

Explanation:

• Affirmative sentence - Assenting  or Affirming, validity, Asserting the fact or truth of the something.  Expressing consent or  agreement,  an affirmative-reply, not negative, positive. Something that asserts or affirms; a positive proposition or statement, affirmation.

• Given statement is in negative form. so for making it negative, the not should be omitted from the statement.
• Given statement would become in affirmative like this Unskilled craftsmen had demonstrated their skills.