译林牛津版 9A Unit 8 Detective stories Grammar---时间状语从句公开课教学课件共19张PPT含详案

时间状语从句 李素琴 中学一级教师，曾获高邮市中青年教师优秀课比赛一等奖 adverbial clause of time Nanhai Middle School Li suqing Adverbial clause of time refers to the sentence which serves as the adverbial of time in the complex sentence Introduction to adverbial clause of time Usually we use before,after,when,while,since,till,until,as soon as and whenever to guide adverbial clause of time presentation When the weather is good, my grandpa likes going fishing. The sun came out after the storm stopped. We use the conjunctionsbefore, after, whenandwhile to introduce time clauses，They can be placed at the beginning or in the middle of sentences,eg: Grammar A (Using before ,after, when &while) Before he was born, many people believed that he would be a basketball star. After he took some basketball training, he showed his talent(才能) in the game. Before means earlier than a certain time. Tip1 : After means later than a certain time. Tip2 : Do you know him? When a boy was so little, what do we hope from him? Do you hope he will be a superstar in the future? No? But Yao Ming had a different life. 3.You should turn off the lights _________ you leave the room. = You should turn off the lights ________ ________ the room. 4. Tom went to school ________ he finished his breakfast. = Tom went to school ________ ______ his breakfast. before before leaving after finishing after 1. You can’t watch TV____ you finish your homework. (2013 泰州) A. after B. if C. when D. before 2.You should hand in your test paper __ you check it . (2014 常州) A. while B. when C. before D. after when the subject of the main sentence and clause of the subject are the same，We can leave out the subject and add ing to the verb 注意第一句与中文的区别：走之后关门。 7 Grammar A (Using before ,after, when &while) While/When he was attending junior high, he joined the Shanghai Youth Team. 九岁 When he was 9, he began to take basketball training. when