Four printable exercises in which punctuation errors need to be corrected. 2.1 requires correction of compound sentences by putting in commas or semicolons where needed and getting rid of comma splices. 2.2 requires comma splice correction and adding punctuation as needed. 2.3 requires correction of comma splices and punctuation between main clauses as needed. 2.4 requires correction of comma splices and adding punctuation between main parts of the compound sentences as needed.