When phrases or clauses are misplaced in a sentence, such that they don’t agree with the subject, sometimes funny or even embarrassing meanings and images will result. Danglers are difficult for us to spot when we write them because we can’t always see that what we have written is not what we meant to express.
Example: [...]

Rule: The plurals for capital letters and numbers used as nouns are not formed with apostrophes.
Example: She consulted with three M.D.s. BUT
Example: She went to three M.D.s’ offices.
The apostrophe is needed here to show plural possessive.
Example: She learned her ABCs.
Example: the 1990s, not the 1990’s
Example: the ’90s or the mid-’70s, not the ’90’s or the [...]

Dictionaries don’t all agree on the definitions of these words and neither do style manuals. So I will attempt to shed more light on the distinctions.
Abbreviations
According to Dictionary.com, an abbreviation is a shortened or contracted form of a word or phrase, used to represent the whole, as Dr. for Doctor, U.S. for United States, lb. [...]

Subjunctive Mode
Are you old enough to remember the ad jingle, “I wish I were an Oscar Mayer wiener…”? Did you ever wonder about I were? This is an example of the Subjunctive Mode, which refers to the expression of a hypothetical, wishful, or imaginary thought. Sentences using wish and if usually indicate Subjunctive Mode and [...]

We have many words in the English language that have subtle differences between them. If you know these differences, you will be confident that you are conveying the meaning you intend.
The five sets of confusing words we will cover today are:
Adverse vs. Averse
Uninterested vs. Disinterested
Suppose vs. Supposed
Oriented vs. Orientated
Democratic Party vs. Democrat Party
Adverse = unfortunate; [...]