In Grammar quiz #31 Dr. John once again walks the thin line between perfection and picky. The dictionary defines “grammar” as “the study of how words and their component parts combine to form sentences.” Strictly speaking, that application was fraught with errors in punctuation.
Dr. John’s Grammar Quiz #32 Can you spot the glaring grammatical error in this sentence? “The discovery of a cure for the common cold, if and when it occurs, will certainly be touted as an historical event.”
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“If and when it occurs” refers back to the discovery. However, in this sentence, it looks like it refers to the cold.