1. Subject and verb always has to agree.
2. You and me know to use the correct case of pronoun in writing and speaking. [That goes for others and I, too.]
3. Prepositions are not words to end sentences with. [This is not a hard-fast rule. Sometimes it just sounds better to.]
4. And don’t start a sentence with a conjunction. [But I don’t agree with that either.]
5. It is wrong to ever split an infinitive. [It appears that most did not get the official memo to not do that.]
6. Being bad grammar, the writer will not use dangling participles.
7. No sentence fragments either.
8. Parallel construction with coordinate conjunctions is not only an aid to clarity but also is the mark of a good writer.
9. Do not use a foreign term when there is an adequate English quid pro quo.
10. If you must use a foreign term, it is de rigor to use it correctly.
11. It would behoove the writer to avoid archaic expressions. [I, however, do vouchsafe to employ them, due to their fewness of use.]
12. Avoid clichés like the plague. They’re so old hat.
13. Comparisons are just as bad as clichés.
14. Also, always avoid annoying alliteration. [I don’t agree with that either. I actually admire and adamantly advocate acceptable and appropriate alliteration.]
15. Mixed metaphors are a pain in the neck and ought to be thrown out the window.
16. Also too, never, ever use repetitive redundancies.
17. In scholarly writing, don’t use contractions.
18. Do not be redundant; do not use more words than necessary, as it is highly superfluous. For example, a truly good writer is always especially careful practically to eliminate the all too-frequent use of adverbs.
19. For sentence construction, only pay attention to misplaced modifiers.
20. One should never generalize. Everyone always does that.
21. Don’t use no double negatives.
22. Eschew ampersands & abbreviations etc., whenever possible.
23. One-word sentences? Eliminate.
24. Analogies in writing are like feathers on a snake.
25. The passive voice is to be ignored.
26. Using a comma before nonrestrictive clauses which are a common source of difficulty.
27. Placing a comma between subject and predicate, is not correct.
28. Parenthetical words however should be enclosed in commas.
29. Never use a big word when substituting a diminutive one would suffice.
30. Please avoid excessive exclamation points!!!
31. Use words correctly, irregardless of how others use them.
32. Understatement is always the absolute best way to put forth earth-shaking ideas.
33. Exaggeration is a billion times worse than understatement.
34. Use the apostrophe in it’s proper place and omit it when its not needed.
35. If you’ve heard it once, you’ve heard it a thousand times—resist hyperbole; not one writer in a million can use it effectively.
36. Puns are for children, not groan readers.
37. Go around the barn at high noon to avoid colloquialisms.
38. Who needs rhetorical questions?
39. Avoid “buzz-words”; such integrated transitional scenarios complicate simplistic matters.
40. Proofread carefully to see if you any words out.
41. Consult the dictionary frequently to avoid mispelling.
42. I got the notion to accept “got” as a present tense verb.