Answer:
1) is a sentence (independent clause) 
2) not a sentence 
3)not a sentence ( dependent clause) 
4) is a sentence 
5) not a sentence 
6) not a sentence 
7) a sentence 
8) a sentence 
9) a sentence 
10) a sentence 
11) a sentence 
12) not a sentence 
13) a sentence 
14) a sentence 
15) not a sentence 
16) not a sentence