The correct response is:
A clause has a subject and a verb, but a phrase does not.
Responses
A clause occurs at the beginning of a sentence, but a phrase does not.
A clause has commas around it or after it, but a phrase does not.
A clause has a subject and a verb, but a phrase does not.
A clause modifies another word in the sentence, but a phrase does not.
1 answer
The correct response is:
A clause has a subject and a verb, but a phrase does not.