Unit 5 Section A Grammar Focus-4c 课件 2023-2024学年人教版英语八年级下册

Unit 5　 What were you doing when the rainstorm came? 　Grammar Focus Learning aims 1. To learn to use Past Progressive Tense V ing 2. To learn to summarize the usages of when/while Fill in the blanks with “be”. 1. I _____ 16 years old this year. 2. I _____ 15 years old last year. 3. How _____ the weather today? 4. How _____ the weather yesterday? 5. They _____ good friends. 6. They _____ good friends three years ago. am was is was are were Revision 3 3 Lead-in 结构 现在进行时 主+am/is/are +doing 肯定形式 I am watching TV. 主+am/ is/are+not+doing She isn't elaying basketball.否定形式 Is lisa reading now?—般疑问句形式 is/are + 主语+doing? What are you doing now?特殊疑问句形式 疑问词+is/are +主语 +doing? 现在进行时 She is drinking water. He is singing. They are dancing. 过去进行时 She was drinking water. He was singing. They were dancing. Grammar Focus 1 .过去进行时：was/were +V-ing 2.when, while引导的时间状语从句。 What were you doing at eight last night? I was taking a shower. What was she doing at the time of the rainstorm? She was doing her homework- What was he doing when the rainstorm came? He was reading in the library when the rainstorm came. What was Ben doing when it begin to rain heavily? When it begin to rain,Ben was helping his mom make dinner. What was Jenny doing while Linda was sleeping? While Linda was sleeping,Jenny was helping Mary with her homework. 语 法 详 解 一、过去进行时 1．定义：表示在过去某一时刻或某一时间段内正在进行或发生的动作。 2．构成：was/were＋v.-ing (当主语是第一人称单数形式或第三人称单数形式时，助动词用was，其余人称用were。) 3．常用的时间状语：at that time, at this time yesterday, at 8:00 yesterday morning等。 4. 基本句式 肯定句 主语＋was/were＋v.-ing＋其他． I was sleeping at ten last night. 否定句 主语＋wasn't/weren't＋v.-ing＋其他． I wasn't sleeping at ten last night. 一般疑问句 及答语 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. —Were you sleeping at ten last night? —Yes, I was./No, I wasn't. The Past Progressive Tense (过去进行时) Stone wasn’t taking a photo at that moment. Kimi was taking photos at 11a.m. yesterday. Fathers were catching fish at this time last w