Unit 12Life is full of the unexpected.Section A Grammar Focus-4c九年级(全)creamworkdaypieshow upbeanmarketby the end ofn. 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ReviewLook at the following pictures and talk about what you usually do inthe morning.I am waken up by the clock.Then, I stay sleepy for a while.Finally, I decide to get up !Then, I brush my teeth, still sleepy.Next, I have breakfast, feeling better.I take my schoolbag and leave home.I come to the bus station and wait for the school bus.In the end, I arrive at school and start the whole day’s classes.Grammar Focus一、概念过去完成时表示一个动作或状态在过去某一时间或动作之前已经完成或结束，也可能是早已完成或结束，即“过去的过去”；也可以指过去的动作延续到过去的某个时刻。二、结构“had +动词的过去分词”过去完成时三、用法 表示过去某一时间或动作之前已经发生或完 成的动作或存在的状态。句中用by, before, when, until等词引导时间状语。 它是以过去某一时间为起点，所以过去完成 时是一个相对的时态，表示的是“过去的过 去”。只有和过去某时间或某动作相比较时 才能用到它。例: Most of the guests had left when he arrived at the party. 当他到达晚会时，他发现大多数客人已经 离开了。 2. 过去完成时还可表示过去某一时刻之前发生 的动作或状态持续到过去某个时间或持续下去， 与for, since等词连用。例： When Jack arrived, Mary had been away for almost an hour. 当克到时，玛丽已经离开快一个小时了。 【实战】?用所给词的适当形 |
