Book4 Unit4 GrammarThe Present Participles as Adverbials现在分词作状语Analysis of the teaching material(教材分析): The learning content is the grammar of Book4,Unit4-The Present Participle used as Adverbial,which is an important language point in this book.To achieve the learning goals,I will employ four steps to teach this lesson.Analysis of the students(学情分析)：The students are in the first period of Senior High School, so it will be better if the learning material is not difficult.Teaching aim
