江苏省仪征市第三中学九年级英语上册 Unit 4 Growing up Grammar教案 （新版）牛津版.doc

unit4 growing up课 题grammar 总第 课时备课时间上课时间课 时period 4教 具 pictures tapeteaching aimsto understand the structure of the passive voiceteaching focusmaster passive voice in the simple present and past tensesdifficult pointspassive voiceteaching methodtask-based approach，scene pedagogy and teaching with humorteaching proceduresthe second preparing lessonsstep1:lead in1it started to rain when we were at the park.2the telephone rang while the girl was doing her homework.3dont forget to turn off all the lights before you leave the house.4i will not start to cook dinner until you come back from work.5all the boys rushed out of the classroom as soon as the bell rang.let the students read the sentences and translate them into chinese and tell them they are time clauses.the conjunctions are :when,while,before ,until and as soon as.encourage the students to say out the others.for example,after,till,since,whenever.step2:presentationchoose some students to read the sentences in the book and tell them the difference.when 引导的时间状语从句中可使用短暂性动词和延续性动词。while 引导的时间状语从句中只可以使用延续性动词。let the students finish the exercises at page 54 and check the answers.explanations:since 引导的时间状语从句中通常使用一般过去时，而主句一般使用现在完成时。till不能用于句首也不能用于not、until中的until.let the students finish the exercises at page 55 and help the students understand the meanings of as soon asandwhenever.step3:activitiesgroup the students into a team of four and discuss the topic:school rules .and ask the students to use the conjunctions in this lesson.1we have to get back to our seats as soon as the bell rings.2we should not make any noise when the teacher is sleeping.3we should say hello to the teachers when we meet them.4we must turn off our mobile phones before we enter the school.5we cannot talk to each other in class until the teacher asks us to.step4:homeworktranslations:1自从他搬了这里以来，他已经交了