Japanese explanations
of Grammar, Usage, Mechanics, Style, Organization & Development
Diagnostic Area
Category
Grammar

 Grammar Article errors(冠詞)
 Confused words(語順)
 Wrong form of word(語形変化)
 Faulty comparison(比較級)
 Nonstandard verb or word(非標準単語・句)

Usage
 Usage Fragments(未完の文章)
 Garbled sentences(誤解を生じる文)
 Subject-verb agreement(主語・動詞の関係)
 Verb-form errors(動詞の現在形・過去形・過去分詞形)
 Pronoun errors(単数形・複数形)
 Possessive errors(所有格)
 Wrong or missing words(単語の誤用・不足)
Mechanics
 Mechanics Spelling(スペル)
 Missing capitalization of proper nouns(名詞の大文字使用)
 Missing initial capital letter in a sentence(文頭の大文字使用)
 Missing question mark(疑問符)
 Missing final punctuation(句点)
 Missing apostrophe(アポストロフィ)
 Missing comma(コンマ)
 Missing hyphen(ハイフン)
 Fused words(連結語)
 Compound words(複合語)
 Duplicate words (単語の反復)
Style
 Style Repetition of words(同単語の多用)
 Inappropriate words or phrases(不自然な単語・句の使用)
 Sentences with passive voice(受動態の用法)
 Long sentences(長すぎる文)
 Short sentences(短すぎる文)
 Sentences beginning with coordinating conjunctions (等位接続詞)
 Organization & Development
Organization
&
Development
 Introductory material(第一段落のインパクト)
 Thesis statement(主題文)
 Main ideas(主題)
 Supporting ideas(主題の裏付け)
 Conclusion(結論)
 Transitional words and phrases(接続詞・句の用法)