Answer:
2) add a period or an exclamation point, it could be declarative or exclamatory
3) add a question mark, it is interrogative
4) add a question mark, it is interrogative
5) add a period, it is declarative
6) add a question mark, it is interrogative
7) add a question mark, it is interrogative
8) add a question mark, it is interrogative
9) add an exclamation point, it is exclamatory
10) add a question mark, it is interrogative
11) add a period, it is imperative
12) add a question mark, it is interrogative
13) add a period, it is imperative
14) add a period, it is imperative
15) add an exclamation point, it is exclamatory