U5 4 单元语法讲练（练习PPT）-【支点·同步系列】2024-2025学年八年级下册英语（人教版）

铭文文化 《支点》八年级英语RJ版下册 What Unit 5 were you doing when the rainstorm came? 单元 语法讲练 单元语法讲解 .... ...... 过去进行时 1.概念 过去进行时表示过去某个时刻或某一段 时间正在进行的动作。它常与表示过去某一 特定时间的状语连用,也可与when或while 引导的时间状语从句连用 MINGWEN CUTURE 2.句式结构 句式 结构 肯定句 主语十was/were十动词-ing形式(十其他). 主语十wasn't/weren't+动词-ing形式 否定句 (十其他). 一般疑问 Was/Were十主语十动词-ing形式(十其他) 句及其简 肯定回答:Yes,主语十was/were 略回答 否定回答:No,主语十wasn't/weren't. 特殊疑 特殊疑问词+was/were十主语+动 问句 词-ing形式(十其他)? MINGWEN CUTURE 3.过去进行时与一般过去时的区别 表示过去某一时刻或某一时间段正在 过去进行时 进行的动作,可表示动作的未完成性 一般过去时 表示过去某个时间发生过的动作或存 在过的状态,强调动作已经结束 4. when与while引I导时间状语从句的区别 when引导的时间状语从句既可以表 when 示时间点,也可以表示时间段,从句中 的动词既可以是瞬间性动词,也可以 是延续性动词 while引导的时间状语从句表示某个 while 时间段,从句中的动词必须用延续性 动词,且多用于进行时态 MINGWEN CUTURE 【注意】若主句和从句的动作同时发生 日主句和从句都用过去进行时的时候,用 while引导。 MINGWEN CUTURE 单元 语法精练 ........ 一、用when或while填空 1. I was playing computer games. my mother came in. 2. They were sitting on the sofa the telephone rang. MINGWEN CULTURE 二、用所给词的正确时态完成短文 It was a beautiful spring day and the sun 1 (shine). Four boys decided not to go to school during the morning. They planned to play football, although they r 2(have) an English exam that day. The boys 3 (play) football when it started to rain heavily. They 4 (think) the exam was probably over so they decided to go back to school. When they 5 (walk) in the hallway,their English teacher saw them."Why did you miss the exam today?" she asked. 1. MINGWEN CUTURE A boy answered her with a lie(话). “While we (drive) to school,my car -had a flat tire(瘪了的轮胎) and it couldn't move. 。. “OK,”the teacher said. "Then you can take the exam now. , The boys 7 (feel) very worried, but the teacher smiled. "Oh, don't worry! It will be easy!" she told them. When they 8 (sit) at their desks, the teacher gave them the exam papers. They (open)the e papers and saw only one question: Which tire was flat? 6. 8. , MINGWEN CUTURE As a result, they had different answers. They 10 (say) sorry to the teacher and the teacher said,"It's not good to miss school and it's not good to tell a lie,either." 10. MINGWEN CULTURE