S6 Write sentences consistently. Once a writer begins writing one way, he or she should continue writing that way instead of switching back and forth.
Details	Incorrect Examples	Correct Examples
a) Write similar things in a similar way. (This is called parallelism.)	She enjoys running, jumping, and to throw the javelin.	She enjoys running, jumping, and throwing the javelin.
b) When using plural, stick to plural. When using singular, stick to singular.	A person should decide for themselves.	People should decide for themselves.
	People need exercise in their life.	People need exercise in their lives.
	Football and hockey are a popular sport.	Football and hockey are popular sports.