Tried and True, Good and Humorous GRAMMAR RULES Part II

31. Even IF a mixed metaphor sings, it should be derailed.
32. Who needs rhetorical questions? However, what if there were no rhetorical questions?
33. Exaggeration is a billion times worse than understatement.
34. Avoid "buzz-words"; such integrated transitional scenarios complicate simplistic matters
35. People don’t spell "a lot" correctly alot of the time.
36. Each person should use their possessive pronouns correctly
37. All grammar and spelling rules have exceptions (with a few exceptions)....Morgan’s Law.
38. Proofread carefully to see if you any words out.
39. The dash – a sometimes useful mark – can often be overused – although it’s a helpful tool sometimes.
40. Proofread carefully to make sure you don’t repeat repeat any words.
41. In writing, it’s important to remember that dangling sentences.
41. When numbering in a written document, check your numbering system carefully.
42. It is important to use italics for emphasis sparingly.
43. In good writing, for good reasons, under normal circumstances, whenever you can, use prepositional phrases in limited numbers and with great caution.
44. Avoid going out on tangents unrelated to your subject -- not the subject of a sentence -- that's another story (like the stories written by Ernest Hemingway, who by the way wrote the great fisherman story The Old Man and the Sea).
45. Complete sentences. Like rule 10.
46. Unless you're a righteous expert don't try to be too cool with slang to which you're not hip.
47. If you must use slang, avoid out-of-date slang. Right on!
48. You'll look poorly if you misuse adverbs.
49. Use the ellipsis ( . . . ) to indicate missing . . .
50. Use brackets to indicate that you [ not Shakespeare, for example ] are giving people [ in your class ] information so that they [ the people in your class ] know about whom you are speaking. But do not use brackets when making these references [ to other authors ] excessively.
51. Note: People just can't stomach too much use of the colon.
52. Between good grammar and bad grammar, good grammar is the best.
53. There are so many great grammar rules that I can't decide between them.
54. In English, unlike German, the verb early in the sentence, not later, should be placed.
55. When you write sentences, shifting verb tense is bad.

From: creativeteachingsite.com