Punctuation marks, taking up little space, perform important functions: separating several thoughts, correlating one thought with another, clarifying meanings and indicating the desired intonation.
In formal and semi-formal English, a sentence is considered the smallest text unit. Any piece of text other than titles that does not contain an explicit latent noun or verb is considered inappropriate. Most sentences in English usually end with a period. Interrogative and exclamation sentences end with a question mark and an exclamation mark, respectively.
Jane is preparing for the New Year party.
When are you going to finish house affairs today?
I bought a new car!
Interrogative and exclamation sentences are often shorter than declarative ones. Although there is no indication of the length of sentences in English grammar. It is desirable that the sentences do not turn into endlessly stretching and do not confuse the reader
If the sentence you wrote turns out to be too long, break it up into several short, simple sentences , separating them with dots. Examples
Incorrect punctuation
Jane will join the conference tomorrow morning, it is dedicated to the ecological situation in the world and garbage recycling, there will be about twenty reports, on the problem and Jane will be the first to speech.
Correct punctuation
Jane will join the conference tomorrow morning. It is dedicated to the ecological situation in the world and garbage recycling. There will be about twenty reports on the problem. Jane will be the first to speech.
Comma is the second most important punctuation mark in a sentences, after a period. Additionally, commas can be used to separate parts of the text that are not complete sentences.
We are talking about introductory words and phrases, subordinate clauses, adjectives, or listing homogeneous members
Last month, I was pretty ill to work hard.
Mike, you have broken the junior record in jumping!
The exhibition, a huge variety of six thousand canvases, will be held till March.
My dog came back wet, smelly, and dirty.
During his car repair, he had to arrange the new brakes, tires, and clutch system.
In some cases, complete and independent sentences should be combined into more complex ones using conjunctions but, and, or, so, nor, yet. This practice is found in scientific written English and is designed to maintain the professional style of the language.
The presentation is going to be long, so the organizers plan two coffee-breaks.
In sentences with direct speech, commas separate the words of the author from the quote
Father entered my room and said, «Come on, I need your hand in the yard»
In the American version of writing dates, as well as in long numerals before every three digits, you cannot do without a comma
December15, 2021
The company earned this year $11,200,000
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