There are various dictionary websites that you can use to check the meaning of words. See the related link for one such website.
the meaning art of something
No, punctuation is the collection of marks that separate sentences or parts of sentences and that have no other meaning than to help you read the sentences of a text correctly. The %-sign has a meaning of its own, namely 'percent'. The same goes for # (number), @ (at) and & (and).
semantics
You may use the site mentioned below for basic and simple sentences.
Punctuation marks are marks used in English language to clarify the true meaning of the sentences or to structure and organize the sentences.
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There are indeed three types of supporting details, namely, supporting sentences, detail sentences and concluding sentence. The supporting sentences is tied to the topic sentence; the detail sentences is related to supporting sentences, and concluding sentence re-emphasize the the topic sentence. In fact, there are four elements in a good paragraph - topic sentence, supporting sentences, detail sentences and concluding sentence. I hope that solves your problem.
When a writer gives hints about the meaning of an unfamiliar word, you can guess the meaning by using context clues. Context clues include looking at the surrounding words, sentences, and paragraphs to infer the word's definition based on how it is being used. Additionally, you can use your prior knowledge and related words to help figure out its meaning.
the meaning art of something
Your sentences do not meet with site approval.
WikiAnswers will not write your sentences for you. Look up the meaning of courtesy and think of ten sentences on your own.
which city are you going
Sentences that give a command are imperativesentences.
No, punctuation is the collection of marks that separate sentences or parts of sentences and that have no other meaning than to help you read the sentences of a text correctly. The %-sign has a meaning of its own, namely 'percent'. The same goes for # (number), @ (at) and & (and).
This site has a category named 'Example Sentences' which is what you want.
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Two short sentences may be combined to produce a lengthened single sentence. It is important that the meaning of the combined sentences makes sense.