7.8.6 Compound Subject.

When 2 words or 2 groups of words, usually joined by and or or, are the subject of the sentence, either the singular or plural verb form may be appropriate, depending on whether the words joined are singular or plural and on the connectors used. With and, a plural verb is usually correct.The nurse and the physician are discussing my case. A singular verb should be used if the 2 elements are thought of as a unit: Dilation and curettage was suggested. or refer to the same person or thing: The first author and principal investigator takes responsibility for the ...Less