<h2>
Answer:</h2>
The change in a verb form is acceptable when there is a <u>difference in number, voice, tense or person</u> in a sentence.
<h2>
Explanation:</h2>
Inflection is defined as the change in verb tense when one is trying to convey a change in those four ideas. The number of the sentence refers to changing the subject from plural to singular or vice-versa.
When changing the active or passive voice of the sentence, or the verb to past tense, then there must be a shift in verb form.
On December 2007 <u>Al Gore</u> held his Acceptance Speech for receiving the Nobel Peace Prize. In his speech he quotes several well-known and respected people like Winston Churchill, Mahatma Ghandi, George Orwell, etc. to strengthen his plea for a better handling of the environmental issue.
Question: Which sentence is most clearly focused on the context of Al Gore's speech?
Answer: A. Quoting respected people is one way Al Gore supports his points about the environment.
A is the correct answer, because he is speaking in reference to his sister and himself/herself, so A is correct. Hope this helps!
It's to present a position and to have an audience adopt or at least seriously consider your argument .