Unit 6 How long have you been collecting shells?教案

how long did you……?  when did you ……l¡教學重點、難點分析： Œ教學重點：基本單詞，詞匯和句型

教學難點：能夠運用現在完成進行時談論自己的愛好及持續時間l¡ 課前準備Œ本課時的教學課件l¡ 教學設計                      教學步驟                                 建議和說明      ↘熱身/復習（warm-up/revision）Œ greetings. talk with students about the following:1.     did you sleep well last night?2.     how long did you sleep last night ?3.     when did you start class today ?4.     how long have you been in class today?help the students to answer: i have been in class for…↘呈現/操練（presentation/practice） Œ draw a long horizontal line on the blackboard. say, this is called a time line. it shows the years from 19- to the present. let’s put some information about ourselves on the time line.t: maria, when did you start studying english?s1: .t: maria started studying english in .(write the words maria started english above the date on the time line.)maria has been studying english since . (class repeat)  repeat the activity using different dates for several other students. use a different situation, such as when did you start to ride a bicycle? or when did you start to baby-sit? if these questions are more appropriate. each time ask the class to repeat a sentence, point to the starting date and run the finger along the years up to the present year.Ž學生兩人一組問答 a: how long have you been…? b: i have been … since/for…. ↘work on 1b and 1cŒ呈現1a的圖片，把話題引到skating 中來，并教學新詞：marathon。 work on 1b 學生聽錄音完成1b。v work on 1c sa: how long has alison been skating?sb: she’s been skating for five hours.sa: how long did sam skate?sb: he skated for four hours.↘work on 2a and 2bŒ work on 2a. get the students to understand the situation first and then listen and check. v work on 2b. listen again and match the questions with answers. w listen and imitate. ↘role play兩人一組分別扮演記者和alison 掌握句型，強化口語.sa: how long have you been skating ?sb:i’ve been skating since i was seven years old.