Final answer:
The sentence 'We all afternoon played in the park' needs to be corrected by placing the subject first and rearranging the word order.
Step-by-step explanation:
The sentence "We all afternoon played in the park" has an incorrect word order. To correct it, we need to place the subject first, followed by the verb and the rest of the sentence. Therefore, the correct version of the sentence would be "We played in the park all afternoon."
Learn more about Word Order