Read the passage. (1) Are your students failing? (2) Get them help. (3) Call Tutorific, it’s the best tutoring service in town.
(4) Our tutors are experienced. (5) They undergo extensive training. (6) This makes Tutorific’s tutors the best. (7) In a study, Tutorific tutoring raised students’ test scores 40 percent. Which revision does the passage need? elaborating on why Tutorific tutors are effective rewriting to correct the run-on in sentence 3 adding a clear statement of purpose cutting the statistic in sentence 7
A run-on sentence is a type of error which occurs when two independent clauses are incorrectly joined (i.e. they lack proper conjunction and/or punctuation).
Sentence 3 is a run-on because you can't join two independent clauses with a comma. You need also a coordinating conjunction to use before the second clause.
Call Tutorific, it’s the best tutoring service in town. (Incorrect)
Call Tutorific, for it’s the best tutoring service in town. (Correct)
