Grammar checker programs, which help scrutinize sentences of any grammatical errors, are either a built-in feature of certain programs like PowerPoint, PDF and Word Processor or function as stand-alone applications installed on the user’s computer or can be accessible online. 

These programs, also known as grammar checker applications, come attached with specialized features which identify and rectify any glaring errors found in the sentences you write. 

The various in-built features of grammar checker are completely user friendly which are basically designed with the sole purpose of identifying and correcting grammatical mistakes which are commonly seen in many texts. Poorly chosen words, syntax errors, subject-verb incongruity, misuse of words like “its” and “it’s,” “your” and “you’re,” etc., are some of the common grammatical mistakes detected and corrected by a grammar checker program or website. 

In most of the grammar check programs, there are in-built lessons related to grammar rules, while converting sentences from active to passive voice, nouns, adjectives and verbs. This helps the users in learning and making use of proper grammar in the long run. Some of the grammar checker programs have additional features like Thesaurus and Spell Check.

One of the major benefits of free grammar checker programs is that, it helps in enhancing the writing skills of the users, thereby enabling them to construct sentences with minimum grammatical errors. However, while these programs are helpful in forming the correct sentences, they are trustworthy and reliable only to a certain extent. These programs are accurate sometimes but not always. For example, a grammar checker program can view a specific word as noun while the user may want to use the same in context of verb. To summarize things, one should use grammar checker program to enhance his writing skills, but be cautious when it comes to relying totally on it. 

When it comes to syntax and grammar of sentences, a computer programming language and natural language are likely to differ from each other. While, writing a complete formal grammar is made possible in natural language, it is not so the case in computer programming language. Therefore, grammar checker programs can come across as a complex issue, while transforming natural words into different grammatical functions. 

Grammar Checker, editing and writing software, can prove to be an ideal tool for proofreaders and English writers, irrespective of their competency or expertise levels. 

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