(
课件网) 主讲人：XXX 课型：语法课 Grammar Unit 8 Safe and sound 获取和梳理过去进行时的肯定句、否定句和一般疑问句的形式特征和表意功能；（学习理解） 01 观察例句，归纳并总结在when、while 和as连接的句子中，主句和从句所使用动词的形式特征和表达的含义;（应用实践） 02 在语境中区分、准确运用一般过去时和过去进行时，并使用过去进行时描述家乡发生过的或听说的突发事故或自然灾害。（迁移创新） 03 Revision 01 02 03 Production 04 Summary 05 Language points 06 Exercises 07 Homework 08 Presentation Practice Revision 01 Revision What was Timmy doing when the earthquake started He was working. What were people doing outside the building when the walls came down They were running in all directions. Presentation 02 Presentation Suzy: There was an accident near our school at 4:10 yesterday afternoon. It happened as we were going home from school. Amy: I know. I saw it while I was riding my bike home. It was raining when the police arrived. Suzy: I didn’t see it. I hope no one was badly hurt. Read the conversation below and pay attention to the use of the past continuous tense. was/were Presentation 过去进行时( past continuous tense) 用法 谓语构成 肯定句 否定句 一般疑问句和简略答语 To talk about things that were happening at a particular time in the past. was/were + doing (verb-ing) I/He/She/It was + doing … We/You/They were + doing … I/He/She/It was not+ doing … We/You/They were not+ doing … Was/were + 主语 +doing … Yes, 主语+was/were. No, 主语+ wasn’t/weren’t. Presentation When, while and as can be used as conjunctions of time. They all mean “during the time that ...”. When a shorter action happened at the same time as a longer action, we use the past continuous tense for the longer action and the simple past tense for the shorter action. Presentation When there are two long actions, we often use while. If the shorter action is in the main clause, we can use when, while or as to join the clauses. If the longer action is in the main clause, we often use when to join the clauses. Presentation Presentation Presentation Practice 03 Practice was getting was reading was snowing was enjoying was watching was visiting Practice was snowing was blowing drew were clearing were getting/got were enjoying Practice 时态 一般过去式 (Simple past tense) 过去进行时 (Past continuous tense) 用法 谓语构成 时间状语 To talk about things that happened in the past. To talk about things that were happening at a particular time in the past. be(was/were)/did was/were + doing (verb-ing) Yesterday morning/ afternoon/evening, last night/week/month/year, ago, the other day, ... at this time yesterday, at that time, the whole morning, all day yesterday,… Production 04 Production At 7:00 p.m. last Sunday, there was a sudden power cut in my town. Each member of my family was doing different things at that time, and the power cut affected us in many ways. My mother was cooking in the kitchen when the whole house had a power cut. Therefore, w ... ...
