Unit 5Section A Grammar Focus-4c 课件 2024-2025学年人教版八年级英语下册

Unit 5 Grammar Focus-4c A B C Lead-in Can you find something in common? I was missing the old days. I was worrying about my future life. I was laughing without thinking. be(was/were)+V-ing the Past ContinuousTense When I looked out of the car window, Definition 定义 A D B C Structure 结构 Temporal Adverbial 时态标志词 Sentence Pattern 句型转换 the Past Continuous Tense 过去进行时 Definition 定义 过去进行时的定义Definition 过去某一时刻点正在进行或发生的动作或事情 过去某一阶段持续进行或发生的动作或事情 Structure 结构 过去进行时的结构Structure What were you doing at 8:15 a.m. yesterday? Eh...We were sleeping. I was watching TV. < 萌宠相亲相爱family群 ··· Structure of the past continuous tense was/were V-ing V-ing 变化规则 1 2 3 4 一般直接加ing 以不发音的e结尾,去e再加ing 以重读闭音节(辅+元+辅)结尾,双写末字母再加ing 以ie结尾,去ie为y,再加ing play → playing study →studying take → taking make → making plan → planning run → running die → dying lie → lying Sentence Pattern 句型转换 过去进行时的句型转换Sentence Pattern Assertive Sentence 肯定句 Negative Sentence 否定句 General Question 一般疑问句 Special Question 特殊疑问句 Assertive Sentence 肯定句 < 喵喵 ··· 肯定句：主语+was/were+V-ing+其他. For example?举个例子？ They were watching TV at 8:15 a.m. yesterday. He was watching TV at 8:15 a.m. yesterday. I was watching TV at 8:15 a.m. yesterday. Negative Sentence 否定句 < 汪汪 ··· 否定句：主语+was/were+not+V-ing+其他. For example?举个例子？ They were not watching TV at 8:15 a.m. yesterday. He was not watching TV at 8:15 a.m. yesterday. I was not watching TV at 8:15 a.m. yesterday. General Question 一般疑问句 Was/Were +主语+V-ing+其他? 肯定回答： Yes, 主语+was/were. 否定回答： No, 主语+wasn't/weren't. 1 2 General Question For example --Were they watching TV at 8:15 yesterday? --Yes, they were. --No, they weren't. Special Question特殊疑问句 Special Question 特殊疑问词+was/were+主语+V-ing+其他？ When were they watching TV ? What were they doing at 8:15 yesterday? Temporal Adverbial 时态标志词 过去进行时的时态标志词Temporal Adverbial Got it? 表示过去某一段时间内一直进行的动作，常与 the whole day, all day yesterday等时间状语连用。有时没有明显的时间状语，可根据上下文语境判断。 具体时刻或时刻范围+过去时间 at 8:15 yesterday; from 8:15 to 9:15 last morning ... when while as 引导的时间状语从句 直击难点 延续性动词 非延续性动词 延续性动词是指能够延续的动作，这种动作可以长时间延续下去或者产生持久的影响。 非延续性动词表示的动作不能延续，即动作发生后立即结束。 study，know，sleep，walk, sing jump，buy，die，close, join when和while俩兄弟 when引导的时间状语从句 When he was a child, he always tried out new ideas. ◆ 表示主句动作发生的特定时间，既可指时间点，也可指时间段。 ◆ 从句的谓语动词可以是延续性动词，也可以是非延续性动词；从句的动作和主句的动作既可同时发生，也可以是先后发生。 It was snowing when he arrived at the station. When I got to the airport, the guests had left. ◆ 从句位于主句之前或之后，当位于主句之前时，与主句要用逗号分开。 ◆ 当主句为将来时或表示将来意义时，从句要用一般现在时表示将来。 The boy will be a writer when he grows up. when引导的时间状语从句 While Linda was sleeping, Jenny was helping me with my homework. ◆ while引导的时间状语从句强调主句动作在从句动作进行的过程中发生，从句的谓语动词必须为延续性动词，常用进行时。 while引导的时间状语从句 when和while俩兄弟 例句：When the phone rang, she was sleeping . 例句：While Tom was waiting for the bus, the rainstorm came. 例句： I was cleaning my car while my mother was cooking. Look at the table and write sentences with both while and when. John Mary take photos buy a drink play the piano leave the house clean his room turn on the radio shop take the car to the car wash While John was taking photos, Mary bought a drink. John was taking photos when Mary bought a drink. 4a 自学检测一 1. While John was playing the piano, Mary left the house. John was playing the piano when Mary left the house. 2. While John was cleaning his room, Mary turned on the radio. John was cleaning his room when Mary turned on the radio. 3. While John was shopping, Mary took the car to the car wash. John was shopping when Mary took the car to the car wash. At 7:00 a.m., I woke up. ______ I _____ making my breakfast, my brother _____ listening to the radio. ______ I was eating, the radio news talked about a car accident near our home. My brother and I went out right away to have a look. ______ we got to the place of the accident, the car _____ in bad shape from hitting a tree. But luckily, the driver _____ fine. The roads ______ icy because of the heavy snow from the night before. Fill in the blanks with was, were, when or while. 4b While was was While When was was were adj. 覆盖着冰的；冰冷的 看一看 自学指导与检测二 Exercises练习巩固 1.Tom ___ a kite while you ___ a kite. A.made, flew B.was flying, made C.made, were making D.was flying, were making 2.Lucy told me that she ___ at that time. A.swam B.swims C.was swimming D.will swim 3.We ___ our homework from 20:15 to 21:15 last night. A.were doing B.do C.did D.are doing 当堂训练 单选 4. (凉山州中考) —_____ did the rainstorm come? —While we _____ a physics lesson yesterday. A. When; have had B. While; are having C. When; were having D. While; have 5. Tony called me _____ I was doing my homework. A. if B. because C. while D. until 6. (绥化中考) They_____ on the sofa when the telephone _____. A. sit; rang B. were sitting; rang C. sat; was ringing 当堂训练 单选 1.Tom昨天11点45分吃午饭。 Tom ____ ____ ____ at fifteen to twelve yesterday. 2.He was eating some bread at that time.（改为复数主语、否定句） ____ ____ eating ____ ____ at that time. 3. I was reading at 8:15 a.m. last night.(改为一般疑问句并回答) --____ ____ ____ at 8:15 a.m. last night? --Yes, ____ ____. --No, ____ ____. 4. They were playing football the whole morning.(对划线部分提问) _____ _____ _____ _____ _____? 当堂训练 完成句子 was having lunch They were any bread Were you reading I was I wasn’t When were they playing football 感 谢 观 看 $$