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1、Unit12,Life is full of the unexpected,1,沐风教育,6:00 7:00 现在,By the time I got up, my sister had already washed all the clothes.,2,沐风教育,I got to school,The teacher came into the classroom,By the time I got to school, the teacher had come into the classroom.,3,沐风教育,By the time she got outside, the bus h
2、ad already left.,她出去的时候,公共汽车已经开走了.,by the time 意思是 “到的时候”, 相当于 when , 后接过去时的句子 时, 主语的谓语动词用过去完成时态.,4,沐风教育,过去完成时态的用法：,1、表示过去的过去，通常由by引导的短语做时间状语或者由by / when / before引导的从句做时间状语从句 By the end of last year, I had learned about one thousand English words. By the time he was twenty, he had won about ten meda
3、ls. When I got there, they had already left. They had already had breakfast before they arrived at the hotel. He said that he had never seen such a beautiful bird before.,5,沐风教育,2、常用在宾语从句中 He told me he had already finished his homework. I realized he had fooled me again. 3、体现在上下文中 I didnt go to the
4、 movies yesterday because I had seen it twice.,6,沐风教育,四、过去完成时与现在完成时的区别 现在完成时表示的动作发生在过去，但侧重对现在产生的结果或造成的影响，与现在有关，其结构为“助动词 have (has) + 过去分词”；过去完成时则是一个相对的时态，它所表示的动作不仅发生在过去，更强调“过去的过去”，只有和过去某时或某动作相比较时，才用到它。,7,沐风教育,本课出现的主要动词的过去式和过去分词,ring rang rung get got gotten go went gone leave left left start started
5、 started be was/were been take took taken run ran run wake woke woken,8,沐风教育,What do you usually do in the morning before school?,brush my teeth,9,沐风教育,What do you usually do in the morning before school?,take a shower,10,沐风教育,What do you usually do in the morning before school ?,have breakfast,11,沐
6、风教育,Do you like mornings?,12,沐风教育,Tinas Morning,got,had,had,gotten,left,ran,Marys morning,13,沐风教育,What happened at last?,When she got to school, she realized that she had left her backpack at home.,14,沐风教育,1,2,3,4,What happened then?,15,沐风教育,Listen again and fill in the blanks.,When I _(get home), I
7、 _(realize) I _(leave) my keys in the backpack. By the time I _(get) back to school, the bell _(ring). By the time I _(walk) into class, the teacher _(start) teaching already.,got home,realized,had left,got,had rung,walked,had started,16,沐风教育,关于get的词组小结 get to school 到学校 get into the shower 去洗澡 get
8、outside 到外边 get home 到家 get up 起床 get married 结婚 get dressed 穿好衣服 get to class 到班级 get bored 变得无聊 get tired 变得疲劳,17,沐风教育,1. We _(learn) two thousands words by the end of last year.,Can you do it?,3. When we _(arrive) at the station, they _(wait) for more than twenty minutes.,had learned,arrived,had waited,2. I _him when I was a student.,had known,4. One of the men couldnt move, because he _ (break) his legs.,had broken,18,沐风教育,Thanks a lot!,19,沐风教育,