11. A computer-implemented method of improving the readability of a grammatically correct sentence, the method comprising: detecting an occurrence of the word “what” in the sentence, said occurrence of “what” signifying the possible presence of a writing problem; determining that the occurrence of “what” is part of a phrase containing a verb unit and a “to be” verb, said phrase not being a predetermined phrase used for phrase matching; and selecting, in connection with the phrase, an edit that can be made to the sentence to improve the readability of the sentence, the edit comprising deletion of the word “what”; said method performed by a computing system that comprises one or more computers.
11. A computer-implemented method of improving the readability of a grammatically correct sentence, the method comprising: detecting an occurrence of the word “what” in the sentence, said occurrence of “what” signifying the possible presence of a writing problem; determining that the occurrence of “what” is part of a phrase containing a verb unit and a “to be” verb, said phrase not being a predetermined phrase used for phrase matching; and selecting, in connection with the phrase, an edit that can be made to the sentence to improve the readability of the sentence, the edit comprising deletion of the word “what”; said method performed by a computing system that comprises one or more computers. 14. The computer-implemented method of claim 11 , wherein the method comprises responding to a determination that the occurrence of “what” is followed by a verb unit followed by a “to be” verb followed by the word “that” by selecting an edit that comprises deleting the word “what”, the verb unit, the “to be” verb, and the word “that”.