Answer:
Step-by-step explanation:
If someone wants to play games, they must follow the rules.
The wrong pronoun was there. 'You' is a second-person pronoun. The sentence is in the third person.
The bowl of raw vegetables looks appetizing.
'Vegetables' is plural. So, 'look' needs to be plural.
The couples spent their time dancing and relaxing with each other.
'to relax' needs to be replaced.
Her eyes are the most beautiful eyes in the world.
You don't need a comma after 'eyes'. 'Are' is a subject pronoun we require in the sentence.
After running in the park, my shoes began to hurt.
That is a sentence fragment. We need to make it make sense.