Correct the following sentences. They have problems with parallelism.

1. He served accurately, with speed, and without exerting much effort.

2. Let’s start by going through your essay and look for any grammatical errors.

3. The coach told his players that they should get plenty of water, to not eat sugary snacks, and being sure they are getting plenty of sleep.

4. Benefits of coaching include: knowing each player, helping that player to improve and to get to see that person succeed in life.

5. At the party, my sister helped us make the cake, gathering the kids for games, clean up, and to drive some kids home.

6. Exercises that I enjoy doing are marathon running, to swim lengths in a pool, riding my bicycle in the park, and to walk along the trails in a forest.

7. The protestors were gathering outside, held signs, starting to shout loudly and stopped the speaker from being heard.

8. My sister-in-law loves fad diets and has tried eating only meat, to not eat anything but rice, smoothies every morning while not restricting anything else, and fasting 12 hours a day.

9. We should teach every kid to become independent, to know their rights, understand their capabilities, and understand humanity

10. Eggs contain not only protein but are also are full of vitamins.​