The quality of the original writing will determine this. A proofreader would be beneficial if you do not speak English and make several complex errors pertaining to logical construction in English. Trinka can fix thousands of grammatical mistakes and complex writing problems. However, AI is limited. If the construction is not logical, it cannot decipher your intended meaning. For those who possess sufficient knowledge of the English language to construct logically correct sentences, Trinka grammar checker can take care of tone, word choice, grammatical constructions, spelling, and a whole lot more.