The late columnist William Safire composed a list of 36 hilarious, and useful, grammar guidelines, which he called the “Fumblerules of Grammar.
You can see them all here, and it’s definitely worth a look. Here’s a sample:
Remember to never split an infinitive.
A preposition is something never to end a sentence with.
The passive voice should never be used.
Avoid run-on sentences they are hard to read.
Don’t use no double negatives.