Question

Change degrees : "perhaps the grass in the other field is better. "

Answer 1

Answer:

Explanation:

The grass in the other field is the best

OR

The grass in this field is not as good as the grass in the other field

Answer 2

Answer: perhaps the grass in the other field is best.

Explanation:  better is the comparative degree of good and the superlative degree is best.

I do not fully understand your question to which degree it should be changed but according to me the answer is this.