It's not incorrect, but could probably be said more succinctly.
Incorrect grammar is a handicap for a speaker because of the way it makes others view him or her. Incorrect grammar is often associated with lower-class people, so using it may prejudice the listeners against the speaker. Also, incorrect grammar can be distracting if it makes it difficult to understand what the speaker means.
The grammar in the question is correct.
This question is incorrect grammar.
incorrect grammar
Of course. Pirates don't worry about such things and they make their own rules.
syntaxtically incorrect
No, "I remember nothing" is not incorrect grammar. It is a complete sentence where the subject ("I") and the verb ("remember") are properly used.
Yes. It can be set by the user to check grammar in addition to spelling.
That sentence is grammatically correct.
No, the example above in incorrect grammar. A correct example would be: "Have you taken a nap?"
well, your grammar is incorrect. you need to use "an" not "a"
If your spelling and grammar are already correct, then changes will make them incorrect and should not be accepted.