처음 문장 만들기부터 나만의 Essay까지 기초를 확실하게 잡아주는 Writing On! Writing On 4 idioms & phrasal verbs는  가장 기초적이면서 실제 상황에서 가장 많이 사용되는 관용구(idioms)와 구동사(phrasal verbs)를 시리즈 특유의 집중적이고 반복적인 학습을 통해 보다 보다 구체적이고 풍부한 표현을 학습할 수 있도록 만들어졌습니다.또한 글 쓰기에 가장 기초가 되는 Making a topic, Brainstorming, Organizing ideas, Choosing a main idea, Writing supporting ideas, Writing detail ideas, Finishing story 등 8가지의 skill들을 알려주고 익히게 함으로써 글 써나가는 체계적인 훈련이 되도록 개발되었습니다.  글 쓰기에 꼭 필요한 문법을 문법으로 가르치지 않고 각각의 상황 별 패턴으로 반복 학습시킴으로써 어렵지 않고 보다 쉽게 익힐 수 있도록 하였습니다. 다양한 형식의 문장을 만들 수 있도록 적절한 writing tip을 제공합니다. 짧은 story를 통해 일상에서 자주 사용되고 실제로 많이 글 쓰기에도 사용되는 문장 패턴을 중점적으로 알려 줍니다. 지속적이고 반복적인 훈련을 통해 자연스럽게 자신만의 생각을 정리하고 직접 글로 표현하도록 만들어 줍니다. 학생들이 주어진 주제에 대해 직접 글을 써 보기 위해  꼭 필요한 주요 단어들을 효과적으로 익힐 수 있도록 흥미롭고 다양한 방법들을 제공합니다. 학생들이 쓴 글을 선생님이 평가하고 때론 스티커를 활용하여 동기를 부여하고 개선할 수 있도록 하였습니다. _Our Purpose Writing On series has been developed to help students learn basic writing skills and to use these skills to improve their English. It is designed to teach students necessary grammar and writing skills while their focus and interest on the topic. Each book of the series has a unigue theme. Each book introduces different tenses. Book 1 introduces present tenses; book 2, past tense; book 3, future tenses. This helps students understand grammar better. _Features of Contents    >Read and Preview & Hot Keywords The story gives students a preview of the writing and grammar patterns that they are going to learn. Students will be able to match the topic and story to realize what they need to write in the end. Furthermore, knowing many words is the key when it comes to writing. Students are introduced to different kinds of exciting word comprehension activities such as puzzle, matching and fill in the blanks, etc. With these exercises, students will enhance their word usage. >Do You Know? & Now I Know! When it comes to writing, it is essential to know the sentence patterns. This is why many students train themselves with grammar in writing lessons. In this section, students can learn different types of grammar tips, This section will make the grammar easier to understand and students will be able to  use the tips  in their writing. Students are also asked to find or write correct answers as a review part from "Do You Know?" section. The questions will be any of choosing multiple choices, making sentences, rewriting sentences, fill in the blanks and unscrambling the the words, etc. >Remember This! & Still Remember? This section is a second part of "Do You Know?". In this section, more tips will be introduced for students to enhance their writing skills. Students are asked to find or write correct answers as a review part from "Remember This!" section. The questions will be any of choosing multiple choices, making sentences, rewriting sentences, fill in the blanks and unscrambling the words, etc. >I Spy Mistakes! & I Spy Answers! In this section, students are asked to read a short paragraph that it is similar to the main story and to correct the red-colored words that are incorrect. This will review how well the students have understand the whole unit by rewriting the passage. Then, another similar passage or chart will be introduced. Students are required to read the passage or comprehend the chart and answer the given questions. It is to check students' ability to comprehend WH-questions. >Let's Warm-Up! & Write On Now! With the writing tips from the previous parts, students will be able to organize their own ideas as a preparation to writing, They can also draw a picture to keep themselves focused while gathering their ideas. Once the students have gathered enough ideas in "Let's Warm Up!" section, they are required to write and share their story in full sentences. This last section will be the completion of the whole unit and students can find the improvements of their writing skills. Also, teachers can make a comment in the teacher's comment box and put a sticker on the sticker box as a small reward for students' hard work.