Writing Handbook Exercises
 

Subject-Verb Agreement

In the blank space put the correct form of the infinitive verb that appears in square brackets at the end of the sentence.

example:

Only humans __ demonstrate ___ the range of innovative and flexible thinking necessary to solve complicated and unexpected operational problems. [to demonstrate]
3. Command and control ______ a relatively recent term, coincident with the rise of information technology in the 1960s. [to be]