Unit-12-Life-is-full-of-the-unexpected-Grammar-Focus(人教版新目标九年级英语).ppt

九年级新目标 Section A-3 Grammar Focus The Past Perfect Tense 过去完成时 Execise cream workday pie show up bean market by the end of n. 奶油；乳脂 n. 工作日 n. 果馅饼；果馅派 赶到；露面 n. 豆；豆荚 n. 市场；集市 在（某时间点）以前 Words Review Complete the following sentences with the correct form of the verbs. 1）当我到达学校的时候， 我才意识到我把书包忘在家里了。 When I got to school, I realized I ______ ______ my backpack at home. 2）到我返回学校的时候， 铃声已经响过了。 ____________ I got back to school, the bell ____________. had left By the time had rung 3）我到达公共汽车站之前， 汽车已经离开了。 Before I _____ the bus stop, the bus ________. 4）我决定先买一杯咖啡，然后再准备去办公室， I ____________ go up to my office when I decided to get a coffee first. 5）就在我和别的工作人员一起排队等候的时候，听到了一个巨大的声响。 As I _________________ with the other office workers, I __________________. got to had left was about to was waiting in line heard a loud noise 上面这些题你做对了么？ 3. 常用的几种方式: 用介词by, before 等构成的时间短语. 用连词when, before, after或者短语by the time 引导的时间状语从句. We had learnt 20 English songs by the end of last month. The plane had taken off when I reached the airport. By the time I got up , my brother had left home. I got home now 9:00pm 8:00pm My little brother went to bed By the time I got home, my little brother had gone to bed By the time I got outside, the bus had already left. By the time I got outside, the bus had already left. 我出去的时候,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. 构成：助动词had + 动词的过去分词 用法： 1. 过去完成时动词表示过去某一时间或某一动作之前完成的动作或状态。强调过去某一动作发生在另一动作之前时。 1.他说他以前见过你。 He said that he ______________ (see) you before. had seen 2. 到六点钟为止他们已经工作八小时了。 By six o’clock they ______________(work) for eight hours. had worked 2. 过去完成时词可以表示过去某一时刻之前发生的动作或呈现的状态，这一动作一直持续 或将继续下去。 By six o’clock they ____________ (work)for eight hours. When I came to GZ , he _____________(be) there for a long time. 用法： 1. 到了六点钟为止，他们已经工作了八小时了。 2. 我到广州时，他在那里很长时间了。 had worked had been 3.到上个月中旬我们在北京住了有五年时间了。 By the middle of last month we ______________(live) in Beijing for five years. had lived 1. 到昨晚