Link-grammar will refuse to parse many but not all grammatically
incorrect sentences, presuming that your definition of "grammatically
correct" is standard English newspaper style.
--linas
Yes ? I don't understand the question; can't you just count them?
--linas
Yes. If the number of omitted words is greater than zero, that means
that the parser did not find a parse, i.e. the sentence is grammatically
incorrect.
--linas