Adding Punctuation To Sentences. A punctuation mark is a mark, or sign, used in writing to divide texts into phrases and sentences and make the meaning clear. Use a comma between two long independent clauses when conjunctions such as and, or, but, for, nor connect them.
Grammar correction software can apply rules to suggest where punctuation should conventionally go, but this will only cover the least necessary punctuation and won't always get it right.
If a sentence contains more than a comma or two and ending punctuation, consider rewriting it to make it crisp and clear. And while these are used in the same general manner in all languages exclamation marks can replace full stops at the end of a sentence, to express surprise. A fused sentence occurs when two independent clauses are smooshed together with no punctuation and no. Punctuation within sentences can be tricky;