2021年春初中同步英语人教版八年级下册Unit 5 Section B 1a-1d课件.pptx

1、1. To talk about past events. 2. To learn the words and expressions. Fill in the blanks. 1. What _ (be) you _ (do) when he arrived? 2. Jim_ (sleep) when I came in. 3. They _ (watch) TV at 8:00 yesterday evening. 4. Now he _ (read) and _ (write). were doing was sleeping were watching is reading writi

2、ng 过去进行时 含义: 表示过去某个时刻 正在进行的动作。 结构： was/were + doing 例句： I was having an English class at this time yesterday. 现在进行时 含义: 表示现在 正在进行的动作。 结构： is/am/are + doing 例句： I am having an English class. 1a Think of a time when you were late for or couldnt go to an event. What was the event? What was the reason w

3、hy you were late or couldnt go? Tell your partner the story. A:I was late for the English competition last week. B:Why?I called you so many times,but you didnt answer. A:Sorry,I left my phone at home. 1.What event happened at the school yesterday? 2.Who missed the event? 3. Which team won at the eve

4、nt? The school basketball competition. Kate. Johns team. 1b Listen and write short answers to the questions. _Kate saw a dog by the side of the road. _Kate got to the bus stop. _Kate called the Animal Helpline. _Kate left the house. _Kate waited for someone to walk by. _Kate realized her bag was sti

5、ll at home. 1 2 3 4 5 6 1c Listen again. Number the events 1-6 in the order they happened. A: When the school basketball competition started . B: When the school basketball competition started, Kate was still making her way to school. 1d Talk about why Kate missed the school basketball competition.

6、Student A begins a sentence with while or when. Student B completes the sentence. when和while引导的时间状语从句 1) 延续性动词和非延续性动词 延续性动词指动作可以延续一段时间, 而不是瞬间结束。 如: work，study，drink，eat等。 非延续性动词指动作极为短暂，瞬间结束。 如: start，begin，hit，jump，knock等。 Summary 2) 在本单元中, 出现了以when和while引导的时间状语从句。 when表示“当的时候”。 从句中既可用延续性动词, 又可用非延续性

7、动词, 这些动词既可以 表示动作, 又可表示状态。 从句中的动作既可和主句的动作同时发生, 又可在主句的动作之前或之后发生。 当我看到Mary的时候她正在吃饭。 Mary was having dinner when I saw her. 当他妈妈昨天早上到家的时候，这个男孩仍然在睡觉。 The boy was still sleeping when his mother got home yesterday morning. while表示“在的时候”、“在期间”。它强调主句的 动作与从句的动作同时发生或主句的动作发生在从句的动作过程中。 While从句中必须是表示动作或状态的延续性动词。

8、如：当我们在北京的时候天气很好。 在我出去的那段时间里她打电话来了。 The weather was fine while we were in Beijing. She called while I was out. 如果主句的动作在从句的动作过程中发生，从句常用进行时。 如: 当我们在游泳的时候，一个人偷走了我们的衣服。 当其他人在工作的时候不要这么大声说话。 While we were swimming someone stole our clothes. Dont talk so loud while others are working. 1) when可指时间点, 又可指时间段,

9、从句中可用延续性动词, 也可用非延续性动词。 2) while总是指一个时间段, 从句中必须用延续性动词。 Summary One day, Kate was going to watch the school basketball competition, but when she left home, she found that she forgot to bring her bag What a bad day for her! Please retell the material in your own words. 1.I was trying to draw a cat on t

10、he board _ the teacher came in. A.while B.what time C.so D.when 2.When it rained heavily yesterday,I was _ my way to the train station. A.walking B.making C.doing D.going 3.When I walked to school yesterday,I saw two kids crying _ the side of the river. A.for B.at C.by D.to 4.What _ to you this morning? I lost my key. A.happen B.is happened C.happened D.was happening Exercises 1. Make five sentences using when and while. 2.Preview the passage Do You Remember What You Were Doing? on page 38.