to four groups. Students of each group write a part of a sentence. Help them to use the past forms of verbs. Then each group leader hand in what their group members write. There are four boxes on the teachers’ desk. Each box collects one part. Then Ss can read what they write. Р(设计意图:同学们在每个盒子中随意各抽出一张纸条,然后组合起来,往往期待一个搞笑的场景。而学生在说的过程中,教师可以帮助学生理清各部分在句子中的位置。不过,要注意学生在写what和when这两部分时,要提醒他们用动词的过去式以及表示过去的时间状语。)РStep Three Grammar Focus(10 min)РGet the Ss to read these sample sentences together. Help them to learn the examples. Ask them to pay special attention to the verb forms and the adverbial phrases of time. Р(设计意图:教师提醒他们注意动词的形式和相应的时间状语。帮助学生仔细学习一般过去时的肯定式和否定式。)РGet the Ss plete Activity 17. Then check the answers with them. Р(设计意图:在检测时,教师提问的时候有意识地使用了很多一般疑问句,帮助学生用Yes/No来回答。在学生回答时,提醒他们注意提问和回答的一致性。)