The correct verb forms to fill the given sentences using active and passive voice would be as follows:
1). is said
2). is sold
3). have heard
4). was built
5). has
6). had been living
7). was restored
8). have read
9). are built
10). will
11). will be realized
12). need
<h3>What is Active and Passive Voice?</h3>
The major distinction between the active and passive voice is that in the former, the doer actively takes part in the action while in the latter, the doer turns recipient.
In the given question, the active voice is implied where the doers are performing the action themselves and the passive voice where the subject is absent or passive.
Thus, the above-mentioned are the correct verb forms in active and passive voice to accomplish the meaning of the paragraph.
Learn more about "Active Voice" here:
brainly.com/question/18692556