Yes, "Is you won the trophy" is a fragment sentence because it is missing a subject and does not express a complete thought. It could be corrected by adding the subject "You" at the beginning to make it a complete sentence, such as "You won the trophy."
yes
We will bring the trophy home this time.She won a trophy for her excellent dancing.
The girl won the gold trophy because she won the race.
We won a terrific championship trophy from our football league.
Exclamatory sentence
Yes it is
i was overjoyed when my team won the trophy
The victorious football team won the trophy.
Do you work? is a complete sentence; it is not a sentence fragment.
"She wave." is fragment but "She waves" is a sentence.
fragment
Fragment.