一、教学目标：1.语言知识目标：1)能掌握以下单词及短语：unexpected,bythetime,backpack,oversleep,ring,givealift,2）掌握BythetimeIgotoutside,thebushadalreadyleft.WhenIgottoschool,IrealizedIhadleftmybackpackathome.3)掌握过去完成时时态，结构及用法。2.情感态度价值观目标：能学会合理安排自己的学习和生活，做到守时守信。二、教学重难点1.教学重点：过去完成时的用法。2.教学难点：用过去完成时叙述过去的事件。 Do you remember any unexpected situation in your daily life?What do you think of the people in these pictures?1aLook at the pictures. Look at the pictures. What happened to the What happened to the girl?girl?She got up late. She overslept.Tell a storyoversleep (overslept, overslept)v. 睡过头；睡得太久睡过头；睡得太久Dont oversleep! You are to be late.别睡过头了！你要迟到了。别睡过头了！你要迟到了。By the time she got up, someone had already gotten in the bathroom. She rushed out the door. 在在以前以前The bus had left before she got to the station. When she got to school, she realized she had left her backpack at home. . n. 背包；旅行包背包；旅行包1. By the time I got up, my brother _ already _ in the shower.2. By the time I got outside, the bus _ already _.3. When I got to school, I realized I _ _ my backpack at home.1bListen to Mary talking Listen to Mary talking about her morning. about her morning. Complete the Complete the sentences.sentences.hadgottenhadlefthadleft2aListen to Mary Listen to Mary continue her story. continue her story. Number the pictures Number the pictures 1-4 in the correct 1-4 in the correct order.order.43122bFill in the blanks with Fill in the blanks with the correct forms of the the correct forms of the verbs in brackets. Then verbs in brackets. Then listen again and check listen again and check your answers.your answers.1. When I _ (get) home, I realized I _ (leave) my keys in the backpack.2. By the time I _ (get) back to school, the bell _ (ring).3. By the time I _ (walk) into class, the teacher _ (start) teaching already.gothad leftgothad rungwalkedhad started1. Why was Kevin late for class? 2. How did Kevin get to school? His clock didnt go off. He overslept.Carls dad saw him on the street and gave him a lift in his car.