The Verb To Be In Copula Formulations

One of the arguments in favor of the active voice concerns the abundance of the verb "to be" in scientific literature. "To be" does not only occur in every passive sentence but may also be used as an auxiliary in so-called "copula" formulations. Here, "to be" acts as the main verb, and although such sentences are not strictly passive, they add to the abundance of the verb "to be." Here are some examples of such sentences:

^ Dr Sarah Craven is the author of the book. The design of the clinical trial was deficient. The batch numbers were the same in all cases. Hydrolysis of the prodrug in human intestinal tissue was rapid.

Q Copula formulations are frequently essential. However, a powerful alternative for the verb "to be" may sometimes make the sentence more interesting.

Q Exercise 9

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