Answer:
They usually express a condition.
Explanation:
Sentences containing the word if are called conditional sentences because they usually express a condition.
Example: If he comes, ask him to wait.
Hope this helps :)
2. They gives clues on when actors should enter and exit the state as well as clues about character motivation and their actions.
3. Dialogue can be used to convey information for example setting up
The exposition and to reveal history about characters
The correct answer is sentence (5).
A sentence fragment means that it is only a part of a sentence; it is not complete. Given that it is incomplete, the fragment, aka subordinate/dependent sentence, has to be part of a larger, independent sentence, in order to make any sense. So if you combined sentence (5) with another one, it wouldn't be a fragment anymore.