Split Infinitives and Verb Phrases - AMA Manual of Style

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Split Infinitives and Verb Phrases 


Stacy Christiansen

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PRINTED FROM AMA MANUAL OF STYLE ONLINE (www.amamanualofstyle.com). © American Medical Association, 2009. All Rights Reserved. Under the terms of the license agreement, an individual user may print out a PDF of a single chapter of a title in AMA Manual of Style Online for personal use (for details see Privacy Policy).  Subscriber: null; date: 25 November 2015

Split Infinitives and Verb Phrases

Although some authorities may still advise the avoidance of split infinitives, this proscription—a holdover from Latin grammar, wherein the infinitive is a single word and cannot be split—has been relaxed. In some cases, moreover, clarity is better served by the split infinitive.


The authors planned to promote exercising vigorously. [Is it the exercising or the promotion of exercising that is vigorous?]


The authors planned to vigorously promote exercising.


The authors planned to promote vigorous exercise.

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