How does one know when to use into or in to?
One of the main uses of the preposition into is to indicate movement toward the
inside of a place.
Examples
The children jumped into the lake for a swim.
Mom drove the car into the garage.
In to is the adverb in followed by the preposition to.
Examples:
He turned his paper [...]

Rule: With words that indicate portions—some, all, none, percent, fraction, part, majority, remainder, and so forth —look at the noun in your of phrase (object of the preposition) to determine whether to use a singular or plural verb. If the object of the preposition is singular, use a singular verb. If the object of the [...]

In a blog first published on August 11, 2007, I helped you understand how to use colons with lists. In this blog, I’d like to help you with other uses of the colon.
Rule 4: Use a colon instead of a semicolon between two sentences when the second sentence explains or illustrates the first sentence and [...]

Before computers, we used our typewriters to underline book titles and we placed quotation marks around article titles. Some organizations still prefer this method. However, current style manuals recommend
italicizing book titles and magazine names (impossible to do on a typewriter) and using quotation marks around articles.
Example: I read Lord of the Flies in high school.
Example: [...]

Reprinted with permission by Editor Laura Lawless, http://www.elearnenglishlanguage.com/.
When talking about something that didn’t happen in the past, many English speakers use the conditional perfect (if I would have done) when they should be using the past perfect (if I had done).
For example, you find out that your brother saw a movie yesterday. You would have [...]

Perhaps you’ve wondered if and when academic degrees (bachelor’s, master’s, etc.) should be capitalized.
The Chicago Manual of Style (CMS) recommends writing academic degrees in lower case, except when using the degree as a title.
Examples:
Orlando is pursuing a bachelor of science in civil engineering.
He introduced Jennifer Miller, master of fine arts.
He introduced Master of Fine Arts [...]

A subscriber recently wrote in with a question that’s a good followup to last week’s Tip of the Week, Writing Numbers:
“When are hyphens used with numbers? Is it 13 feet or 13-feet; 12 hours or 12-hours?”
Rule: Generally, hyphenate between two or more adjectives when they come before a noun and act as a single idea.
This [...]

This is a Q & A with Wendy Burt-Thomas, a full-time freelance writer, editor and copywriter with more than 1,000 published pieces. Her third book, “The Writer’s Digest Guide to Query Letters” hits stores December 2008. To learn more about Wendy or her three books, visit www.GuideToQueryLetters.com.
1. Q: Can you tell us about your [...]

Example: Mother’s Day vs. Mothers’ Day vs. Mothers Day
With titles, you may think of the word in front of the noun as either singular, plural, or possessive. For example, do you think of the holiday as belonging to each mother individually (Mother’s Day) or to all mothers collectively (Mothers’ Day)? Or do you think of [...]

Rule: The following examples apply when using dates:
The meeting is scheduled for June 30.
The meeting is scheduled for the 30th of June.
We have had tricks played on us on April 1.
The 1st of April puts some people on edge.
Rule: When expressing decades, you may spell them out and lowercase them.
Example: During the eighties and nineties, [...]