Subjects, Verbs, Complements

Am I doing these correctly. If I am not please explain and tell me what I am doing wrong.

Identifying Subjects, Verbs and Complements
On the line before each sentence below, identify each of the italicized words by writing s for subject, v for verb, pa for predicate adjective, pn for predicate nominative, do for direct object, or io for indirect object.

io 1. The coach showed us a videotape of Michael Jordan.
s 2. The merchants visiting there traded silk, jade, and porcelain for precious metals.
v 3. Before answering, Isabel thought about her personal goals.
s 4. There are some actors from my school in that film.
pn 5. The person in charge of seating will be Marcos.
pa 6. During fall, a chrysanthemum pattern would be more typical.
do 7. Our new hosts offered Lars and me a tour of the palace grounds.
s 8. After proper treatment, the acorns become nutritious food.
pa 9. Although not as well trained as today’s doctors, many early doctors must have been extremely knowledgeable.
s 10. I can teach you the routineafter school.
pa 11. Without question, Tiwa is the mechanic in our family!
io 12. I was allowed to remain in the room, and I listened intently during the interview.
pa 13. In this city, a car is not only unnecessary but also somewhat of a nuisance.
pn 14. Certainly, Charles Edensaw was one of the better-known Haida artists.
s 15. Will a good computer programsimplify this task?