Capital letter should be used for proper names-- formal-official names of things and people.
You should use a capital letter mid-sentence when writing proper nouns, such as names of people, places, or things, that require capitalization. This helps to give specific emphasis to those words within the sentence.
At the beginning, the start of a quote, or in a proper noun.
She stopped talking mid-sentence when she realized she had forgotten an important detail.
Yes, the word "world" should not be capitalized in the middle of a sentence unless it is a proper noun or part of a title.
Incorrect. The first word of a direct quotation should be capitalized unless the quotation begins mid-sentence. For example, in the sentence "Mary said, 'I'm going to the store,'" the first word of the quotation ('I') is capitalized.
Yes, the word "police" should be capitalized because it is a proper noun when referring to a specific police department or organization (e.g., New York Police Department).
She arrived at the cafe in the mid-afternoon, just as the sun was starting to dip below the horizon.
no
She stopped talking mid-sentence when she realized she had forgotten an important detail.
We hold our mid-week conference on Wednesday afternoons at two. When I walked into the room, Mary stopped what she was saying in mid-sentence.
It should only be capitalized if it's used to substitute a name.
mid Atlantic ridges
ships and buildings
toulouse toulouse toulouse
toulouse toulouse toulouse
The Mid-Ocean Ridge Is From The Mantle.
Yes, the word "police" should be capitalized because it is a proper noun when referring to a specific police department or organization (e.g., New York Police Department).
Canberra is the capital city of Australia. Its population in mid 2013 was about 379 000.
A question, properly written, cannot be asked mid sentence. It is a sentence on its own. Though it could be asked mid paragraph, For instance; "How could I compare thee to a summers day?" Could be asked mid paragraph.