Grammar checkers usually work like a spell checker. Its purpose is to identify errors and also help suggest alternatives for any possible corrected text. Using free grammar checker gives you fairly straight forward in comparison with grammar that’s much more interpretive.
Despite all the recent technology in computers, it can be quite a difficult task for the machine to fully understand what your trying to pronounce. Grammar checker can correct important errors. Found using the internet, free grammar checker can accidently suggest to correct words it does not know and give the user the wrong word. Instant grammar checker can also flag grammatically right words as wrong and change it on its own account. Grammar checker has many common errors but the software is designed to learn from whatever you type and try to give you the closest most precise word if any wrong letters are typed.
Using grammar checker online which is the English grammar checker has many restrictions but can be very useful for students who are learning English as a second language.