Passive voice produces a sentence in which the subject receives an action. In contrast, active voice produces a sentence in which the subject performs an action. Passive voice often produces unclear, wordy sentences, whereas active voice produces generally clearer, more concise sentences. To change a sentence from passive to active voice, determine who or what performs the action, and use that person or thing as the subject of the sentence.
On April 19, 1775, arms were seized at Concord, precipitating the American Revolution.
On April 19, 1775, British soldiers seized arms at Concord, precipitating the American Revolution.
Use of forms of to be (is, are, was, were) leads to wordiness. Use an action verb in place of a form of to be.
It is the combination of these two elements that makes the argument weak.
The combination of these two elements weakens the argument.