Revised parallel structures: incorrect and correct

1. Vern is a large boy, with blonde hair, very large nose, deep-set blue eyes, and his white teeth flash when he smiles.

1. Vern is a large boy with blonde hair, a very large nose, deep-set blue eyes, and flashing white teeth.

2. After I graduated from high school, I debated whether to go on to college or if I should enlist at once.

2. After I graduated from high school, I debated whether to go to college or enlist in the army.

3. It is important to analyze these three types of radio broadcasts with a view to purpose, presentation, and how they are sponsored.

3. It is important to analyze radio broadcasts with a view to purpose, presentation, and sponsorship.

4. We try to teach them how to get along with people, table manners, good habits, and how to get the most of life.

4. We try to teach them communication skills, table manners, and good habits.

5. Chipmunk burrows have two opening, one for general use and there is also another one that can be used in case of emergency.

5. Chipmunk burrows have an entrance for normal comings and goings and for emergencies.

6. In the evening we either play baseball, pitch horseshoes or some other type of outdoor game.

6. In the evening we either play baseball, pitch horseshoes, or chase lightning bugs.

7. My work in his office consisted of typing addresses and to answer the telephone.

7. My work in his office consisted of typing addresses and answering the telephone.

8. His students are still wondering whether his advice was meant to be taken seriously or if he was merely joking. 

8. His students are still wondering whether his advice was meant to be taken seriously or jokingly.

9. The natives are both afraid and they are suspicious also.

9. The natives are afraid and suspicious.

10 They do not know whether to hide or if they should cooperate with us.

10. They do not know whether to hide or to cooperate with us.

11. He was a good athlete, a capable scholar, and won everyone's respect.

11. He was a good athlete, a capable scholar, and an esteemed colleague.