Assertive sentences are sentences with declarations that state the facts and information. The correct assertive sentence is that they have not lived in the town yet.
Assertive sentences are sentences that end with a period and make the assertion in the statements. The interrogative question containing question marks is changed into assertive by adding 'not' in the sentence.
They state the facts, feelings, opinions, information, beliefs, etc., and can be declarative. The sentence is changed into assertive by changing the place of the question word in the sentence and reframing the sentence with a period.
Therefore, the assertive sentence will be, that they have not lived in the town yet.
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