Unit5 语法 讲义2025-2026学年人教版八年级英语下册

新人教版八年级英语下册 Unit 5 语法精讲——过去进行时 一、概念 过去进行时：表示过去某个具体时刻正在进行的动作，或过去某一段时间内一直在进行的动作。 翻译：（过去）正在做…… 二、基本结构 1、肯定句 主语 + was/were + 现在分词(doing) （1）.主语单数(I/he/she/it/单个人物) → was （2）.主语复数(we/you/they/多人) → were 例： I was sleeping at 8:00 last night. 昨晚八点我正在睡觉。 They were playing basketball yesterday afternoon. 昨天下午他们一直在打篮球。 2、否定句 主语 + was/were + not + doing was not = wasn't were not = weren't 例：She wasn't reading at that time. 3、一般疑问句 Was/Were + 主语 + doing …? 回答：Yes, 主语+was/were. / No, 主语+wasn't/weren't. 例：—Were you studying then? —Yes, I was. / No, I wasn't. 4、特殊疑问句 特殊疑问词 + Was/Were + 主语 + doing…? 例：What were you doing at 9 last night? 三、现在分词(doing)变化规则 1. 一般直接加 ing：work→working，talk→talking 2. 以不发音e结尾，去e加ing：write→writing，take→taking 3. 重读闭音节，辅+元+辅结尾，双写尾字母加ing： sit→sitting，run→running，stop→stopping 4. ie结尾变y加ing：lie→lying 四、常用时间标志词 at 8:00 last night （昨晚八点） at that time （在那时） then （当时） last night/yesterday afternoon （昨天夜里/昨天下午） from 7 to 9 yesterday （昨天7点到9点） 五、核心考点（本单元重点） 用法1：过去具体时刻正在做某事 I was having dinner at seven yesterday evening. 用法2：过去某段时间一直持续的动作 He was working all day yesterday. 用法3：过去进行时 + when + 一般过去时 （一个长动作正在进行，突然发生一个短动作） 结构：长动作用过去进行时，短动作用一般过去时 例：I was walking home when it rained. 我正走回家，突然下雨了。 用法4：while 连接两个同时进行的过去长动作 两边都用过去进行时 例：Mom was cooking while Dad was reading newspapers.   过去进行时专项练习题 一、写出下列单词的ing形式 1. play ________ 2. swim ________ 3. write ________ 4. run ________ 5. watch ________ 二、用was / were 填空 1. He ______ reading books at 7 yesterday evening. 2. They ______ playing soccer then. 3. I ______ doing my homework at that time. 4. My mother ______ cooking dinner yesterday afternoon. 5. ______ you sleeping when I called you? 三、用所给词的适当形式填空 1. She ____________ (sing) at 8 last night. 2. We ____________ (not watch) TV at that time. 3. —What ______ he ______ (do) yesterday morning? —He was reading a book. 4. My brother ________ (run) from 6 to 7 yesterday. 5. They ____________ (have) an English class at that moment. 四、句型转换 1. I was doing homework.（改为否定句） I ______ ______ homework. 2. They were playing football.（改为一般疑问句） ______ they ______ football? 3. He was sleeping when the rain came.（对划线部分提问） ______ ______ he ______ when the rain came? 五、单项选择 （ ）1. What ___ you ___ at nine last night? A. do; do B. did; do C. were; doing （ ）2. He ___ TV when I got to his home. A. was watching B. watched C. watches （ ）3. They ___ books at that time. A. were read B. were reading C. are reading 参考答案 一、写出下列单词的ing形式 1. playing 2. swimming 3. writing 4. running 5. watching 二、用was / were 填空 1. was 2. were 3. was 4. was 5. Were 三、用所给词的适当形式填空 1. was singing 2. weren't watching 3. was; doing 4. was running 5. were having 四、句型转换 1. wasn't doing 2. Were; playing 3. What was; doing 五、单项选择 1.C 2.A 3.B 学科网（北京）股份有限公司 $