HELP ASAP!!!

1.
Read the following group of words. Decide if it is a dependent clause, phrase, or complete sentence:
they laughed


dependent clause

complete sentence


2.
Read the following group of words. Decide if it is a dependent clause, phrase, or complete sentence:
boys on the team


phrase

complete sentence


3.
Read the following group of words. Decide if it is a dependent clause, phrase, or complete sentence:

they chewed gum


dependent clause

complete sentence