Unit8 Grammar 2教学设计 2023-2024学年牛津译林版八年级英语上册

八年级上册Unit8 Natural disasters Grammar(2)教学设计 1、 教学目标： By the end of the lesson, students should be able to: use conjunctions of time “when, while, as” to talk about things. 2、 教学内容： 八上Unit8 Grammar(2)内容与练习 3、 教学重难点： How to understand the sentence structure. How to use the knowledge to do translation work. 四、教学程序： （一）、检查并订正上次布置的作业； （二）、解答学生在英语学习中的有关问题； （三）、预习导航 阅读教材P97-98 翻译下列短语和句子。 1.摔倒 2.尽力找到出路 3.进入房间 4.从地上取点雪 5.堆雪人 6.滚大雪球 7.藏在树后 8.跑向他们 （4） 合作探究 B Using when, while and as Lead-in Look at the pictures and answer the questions. What was the rabbit doing just now? What was the pig doing just now? The worm was eating while the dog was reading. Task1 Read and work out the rule Sum up: 1. 当连接同时发生的两个延续性长动作时，常用while引导。 e.g. While I was watching TV, he was listening to music. Millie was reading a book while Eddie was sleeping. 2. 如果短暂性的动作是主句时，我们可以用when, while 或 as 引导。 e.g. When/while/as Millie was watching TV, Andy came into the room. 3. 如果延续性的动作是主句时，我们经常用when 来连接。 e.g. Millie was watching TV when Andy came into the room. 4. 如果两个短暂性的动作同时发生，我们通常用as连接。 e.g. As Millie sat down on the sofa, Andy came into the room. 注：当一个短暂性动作发生的同时伴随着一个延续性的动作，这时我们通常用过去进行时来表示延续性的动作，用一般过去时来表示短暂性的动作。 Task2 when ,while 的区别 When引导的时间状语从句，谓语是延续性的，或者短暂性的。通常用一般过去时，也可以用进行时。 My mother was watching TV while I was doing my homework. He was taking a shower while his wife was talking on the phone. while引导的时间状语从句，谓语动词只能是延续性的，通常用进行时。 The teacher came in ____ students were talking noisily. =The students were talking noisily ___ the teacher came in. when 后通常加短暂性动词，如：arrive, come in, get up, open, close, finish, begin, come, go, arrive, reach, get to, leave, move, borrow, buy, die, knock 等 While后通常加延续性动词, 如：live, run, stay, clean, play, hold, watch, teach, read, study, teach, eat, drink, write, dance, sin