"is that"

Avoid using "is that" phrases in your writing.

Instead of:

One of the most important themes of To Kill a Mockingbird is that one person can't change the world, but one person can have a profound effect on others, which, in turn, can change the world.

Write:

To Kill a Mockingbird shows us that one person can not change the world, but one person can have a profound effect on others, which, in turn, can change the world.

Instead of:

"One reason why Atticus Finch is a great character is that he is a brave and moral character."

Write:

"Atticus Finch is a brave and moral character."

Instead of:

"The problem with Romeo is that he is unstable."

Write:

"Romeo is unstable."