1. He did his work with diligence. (Change into future perfect.)

2. I will not allow this to happen. (Simple past)

3. He is riding a horse. (Future continuous)

4. He helps his father in his work. (Simple past)

5. Most people want peace. (Simple past)

6. He has just returned. (Future perfect tense)

7. I ran as fast as I could. (Future continuous)

8. Will you be visiting this place? (Present continuous)

9. He had never lived alone. (Present perfect)

10. We want to ensure that there will be no scarcity of food and drinks. (Simple past)

11. She did not know anything. (Simple present)

12. He earns a six figure salary. (Present perfect continuous)

Usually, Imagery is written by another person through other literary devices such as metaphors, similes, personification and, onomatopoeia, again as a way to appeal to the readers' senses. 

Types of Imagery:

2.    “I want to go home,” pleaded Mr Staiger.

3.    “It’s playtime,” announced Ms Foley.

4.    “I know the answered,” Samantha whispered to Alisha.

5.    “I want children to work hard,” demanded the strict teacher.

6.    “I’m too tired to carry on,” complained Arsalan.