Write in the active voice: "I will eat spaghetti." not "Spaghetti will be eaten by me."

Use a positive form. Instead of "It wasn’t cold." use "It was warm."

Show, don't tell.

Use specific, concrete language as opposed to abstract. Omit needless words.

Vary your sentence structure.

Use similar forms to express similar ideas.

Keep relative words together in a long sentence.

Avoid switching tense.

The most prominent words of a sentence have a stronger impact at the end of the sentence.