Poor sugestions ... no detect errors in prepositions for example. ...although some detections in puntuation , plurals are right ...So , few information in general .
No spell/grammar checker is perfect. English grammar is very tricky. And prepositions are notoriously irrational. If there were a perfect free software system hat detected/corrected all errors of grammar, EnglishForward might be obsolete!
My Chrome web browser detects spelling errors when I type in text boxes (eg. email, this text box). MS Word is useful, but not perfect. I don
Grammarly pro promises real great things, but it is said nothing is true... http://grammarist.com/articles/grammarly-review/ (second link in google: Grammarly) Anyway there must be something more out there, searchin