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1、精选优质文档-倾情为你奉上过去进行时中的when和while教学目标：学生通过观察不同语境中when和while的使用，归纳总 结过去进行时中when和while的用法，并能正确恰当得 在过去进行时态中使用。教学步骤：Step 1 Lend in Present two sentences from the textbook with when and while. Ask students if they can tell the differences between when and while in past progressive tense.Step 2 Presentation
2、1.Present sentences with when and fill in the blanks to conclude the usage of when. 2.Present sentences with while and fill in the blanks to summarize two usages of while.Step 3 Practice 1. Make sentences with when and while. 2. Look at the table and write sentences with both while and when.Step 4 Summary Think what theyve learned.专心-专注-专业
