Unit 12Life is full of the unexpected.Section A 11a-2d1aLook at the pictures. What happened to the girl?She got up late. She overslept.Tell a storyoversleep (overslept, overslept)v. 睡过头；睡得太久复合词中的over有“过……”之意Don’t oversleep, Dean! You are to be late.迪恩，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 of the door. 在……以前The bus had left before she got to the station. When she got to school, she realipack at home. …. n. 背；旅行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 realipack at home.1bListen to Mary talking about her morning. Complete the sentences.hadgottenhadlefthadleft过去完成时(1) 构成：由“助动词had(用各种人称和数) + 过去分词”构成。 否定式：had not + 过去分词 缩写形式：hadn’t (2) 用法：过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作。(3) 它所表示动作发生的时间是“过去的过去”。① 表示过去某一时间可用by, before 等构成的短语来表示。② 也可以用when, before 等引导的时间状语从句来表示。 ③ 还可以通过状语从句或通过上下文暗示。例如：When I got there, you had already eaten your meal. 当我到达那里时，你已经开始吃了。By the time |
