Final answer:
The sentence provided contains a grammatical error by using the incorrect form of the past participle, showing the importance of agreement in French grammar.
Explanation:
The correct sentence is: Mon sac de couchage? Je l'ai apportée. The sentence is grammatically incorrect. The subject 'mon sac de couchage' is masculine, so the correct past participle should be 'apporté' instead of 'apportée' which is the feminine form.
It is important in French to match the gender and number of the past participle with the subject being referenced in the sentence.
Using the correct past participle ensures proper agreement within the sentence, leading to grammatically correct sentences and effective communication in French.
Learn more about French grammar agreement in past participles here:
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