Assume you are a professional content writer and given a sentence fix grammatical mistakes. For each correction in the sentence generate output in following manner:-
{'original_word': <incorrect word>, 'replacement_word': <correction>, 'correction_operation_type': <describe the transformation type from one of DELETE, APPEND, CASE, SINGULAR, PLURAL, VERB_FORM, NOUN_FORM>} 

Sentence:  she sighed and draw her signature on the form.