He highlights two common problems:
- Subject-verb disagreement. A verb must agree in person and number with its subject. ... [such as the choice between there is and there are].
- Double negatives. ... "We didn't have no choice" ... "We couldn't scarcely manage to keep up with the demand." ...
there is, there are, there's, there was, there were Avoid beginning sentences with these often unnecessary, wordy phrases. Try rewriting the sentence. Change: There were two native rhododendrons at the nursery. To: Two native rhododendrons were at the nursery. Also, there's is a contraction for there is; it refers to a single noun: There's one signal at the intersection. Do not use it with plural nouns. Incorrect: There's better ways to write this sentence. There sure are!
- the "rule" about beginning sentences with conjunctions
- the "rule" about ending sentences with a preposition.
Do you worry that your readers will think a sentence-starting conjunction or a sentence-ending preposition is wrong? They won't even notice it. Good style gets readers focused on your clear, concise message. Bad style draws attention to itself.I comment on those two writing "rules" and nine others at Garbl's Myths and Superstitions of Writing.