Read this paragraph:
(1) Around the nation, incidents of
cyberbullying have risen dramatically. (2)
Our school is not invulnerable to the
pernicious effects of cyberbullying. (3)
Therefore, at the next school assembly, a
traveling theater troupe will be presenting on
what cyberbullying is, and what we can do
to recognize and stop it. (4) It is imperative
to the safety of students that all teachers and
students are present.
Which sentence should be revised to correct
the mood of a verb?