is the whole system and structure of a language or of languages in general. It includes parts of speech (nouns, verbs, etc.), syntax (how words fit together to make sentences), and morphology (the forms of words); many people use the term "grammar" loosely so that it also covers punctuation, spelling, and word choice (as in, "Will you check my paper's grammar?").
According to YourDictionary, these are the 5 most common grammatical errors:
A run-on sentence is a sentence that joins two independent clauses without punctuation or the appropriate conjunction. A comma splice is similar to a run-on sentence, but it uses a comma to join two clauses that have no appropriate conjunction. Fixing a run-on sentence or a comma splice can be accomplished in one of five different ways:
For example:
Pronoun errors occur when pronouns do not agree in number with the nouns to which they refer. If the noun is singular, the pronoun must be singular. If the noun is plural, however, the pronoun must be plural as well. For example:
Apostrophes are used to show possession. However, you do not use an apostrophe after a possessive pronoun such as my, mine, our, ours, his, hers, its, their, or theirs. For example:
For example:
When speaking or writing in the present tense, a sentence must have subjects and verbs that agree in number. If the subject is singular, the verb must be singular. If the subject is plural, the verb must be plural as well. For example:
To communicate your ideas clearly, you must place a modifier directly next to the word it is supposed to modify. The modifier should clearly refer to a specific word in the sentence. For example:
Check out these resources on punctuation:
WARNING
Microsoft Word as well as several websites offer spelling and grammar checking. However, these programs can be dimwitted when it comes to the nuances of the English language. It may tell you that a word is spelled correctly when you really need a different word. And according to grammar.yourdictionary.com, "one recent study comparing the effectiveness of common grammar checkers found that these programs will typically miss" very common grammar errors.
However, if you would like to try an online grammar checker, here are some possibilities: