Never.
When ending a sentence with an abbreviation, a single period will suffice. It does double duty in finishing the abbreviation and the sentence.
You may, however, see three periods at the end of a sentence. This is an ellipses.
Or, two periods may occur in a sentence that includes a quote. Example:
When I heard him say, "I found your luggage.", I cried tears of joy.
Two periods after a sentence are used to indicate an intentional pause or hesitation in speech, known as a "hesitation marker." This is common in informal writing or chat conversations when trying to convey a more casual or uncertain tone. However, it is not considered standard practice in formal writing.
No, there should not be two periods when "am" is at the end of a sentence. Only one period is needed to end the sentence.
No, it is not necessary to end a sentence with two periods if the sentence ends with an abbreviation like "M.D." One period at the end of the abbreviation is sufficient for proper punctuation.
She has irregular periods and wants to see a doctor about it. I like to use ellipsis (...) to indicate a pause or omission in my writing. The class discussed different historical periods in great detail. The gymnast has been training for several periods of time to perfect her routine.
Using three periods after a sentence is called an ellipsis. It is used to indicate the omission of words, create a pause, or suggest trailing off in thought.
Four periods at the end of a sentence are called an ellipsis, used to indicate an omission in text.
There are 26 pay periods where I work as I get paid every two weeks.
No, there should not be two periods when "am" is at the end of a sentence. Only one period is needed to end the sentence.
To answer your question. You will have to put TWO periods.
at the end of a sentence
She has irregular periods and wants to see a doctor about it. I like to use ellipsis (...) to indicate a pause or omission in my writing. The class discussed different historical periods in great detail. The gymnast has been training for several periods of time to perfect her routine.
Yes, you can use periods and question marks with exclamatory sentences to convey different tones or levels of emotion. For example, "What a beautiful day!" expresses surprise or admiration, while "What a beautiful day." could indicate a statement of fact or observation.
No, when using "OD" at the end of a sentence, you only need one period as the abbreviation already ends with a period. So it would be "O.D." with one period.
One period.
Yes, you need to put two periods after every sentence. When you publish a book, write an essay or most other publishable things you need two periods.
punctuationlike...periods .commas ,question marks ?exlamation points !
An ellipses - or three periods in a row - thusly . . .
One period. The period in etc. also functions as the period for the end of the sentence.