Unit 8 Safe and sound Grammar课文要点讲义2026-2027学年译林版英语八年级上册

本初中英语讲义聚焦过去进行时核心知识点，系统梳理其基本用法（结构“was/were + v-ing”，表示过去特定时刻正在进行的动作），时间连词when、while、as的用法差异，长动作与短动作的时态区分（长动作用过去进行时，短动作用一般过去时），以及两个长动作同时进行的表达，构建从基础到应用的学习支架。 资料亮点在于高频短语中英互译强化语言能力，多样综合练习（填空、选择、句子翻译、短文填空）训练思维品质，通过分析动作类型推断时态使用。提供答案便于学生课后自查，助力学习能力培养，课中辅助教师巩固知识点，课后帮助学生查漏补缺。

Unit 8 Safe and sound Grammar 【语法要点】 1. 过去进行时的基本用法 过去进行时表示过去某个特定时刻正在进行的动作。 结构：was / were + v-ing 例句： - I was working when the earthquake started. 地震开始时我正在工作。 - It was raining when the police arrived. 警察到达时正在下雨。 - People were running in all directions while pieces of glass and bricks were raining down. 人们朝四面八方奔跑，同时玻璃碎片和砖块像雨点般落下。 - As I was trying to find my way out, I suddenly heard some noise above me. 当我正试图找到出去的路时，我突然听到上方有响声。 2. 过去进行时的时间连词：when, while, as when, while 和 as 都可以用作时间连词，表示“在……期间”。 when 可接短动作（一般过去时）或长动作（过去进行时） while 通常接长动作（过去进行时） as 可接短动作或长动作，强调“随着……” 3. 长动作与短动作 当一个短动作发生在长动作进行的过程中时： - 长动作用过去进行时 - 短动作用一般过去时 - I was working when the earthquake started. （work 是长动作，start 是短动作） - When/While/As Millie was watching TV, lightning hit a nearby building. （watch 是长动作，hit 是短动作） 4. 两个长动作同时进行 当两个长动作同时进行时，常用 while 连接。 - We were watching in fear while the firemen were putting out the fire. 我们恐惧地看着，消防员们正在灭火。 - While we were enjoying our meal, it began to snow again. 当我们正在享用晚餐时，天又开始下雪了。 5. 从句位置 - 如果短动作在主句中，可以用 when, while 或 as 连接从句。 - When/While/As Millie was watching TV, lightning hit a nearby building. - 如果长动作在主句中，常用 when 连接从句。 - Millie was watching TV when lightning hit a nearby building. 【语法关键点】 长动作 用过去进行时 (was/were + doing) 短动作 用一般过去时 (did) 两个长动作 用 while 连接，都用过去进行时 when / while / as 都可以用来连接时间状语从句 【高频短语汇总】中英互译 1. past continuous tense __________ 2. __________ 过去进行时 3. a particular time __________ 4. __________ 一个特定的时间 5. in the past __________ 6. __________ 在过去 7. at the same time __________ 8. __________ 同时 9. put out the fire __________ 10. __________ 扑灭火 11. wake up to __________ 12. __________ 醒来看到…… 13. winter wonderland __________ 14. __________ 冬日仙境 15. all morning __________ 16. __________ 整个早上 17. get dinner ready __________ 18. __________ 准备好晚餐 19. clear the snow __________ 20. __________ 清除积雪 【综合练习】 一、用所给词的适当形式填空（过去进行时） 1. I ____________ (work) when the earthquake started. 2. It ____________ (rain) when the police arrived. 3. People ____________ (run) in all directions while pieces of glass ____________ (fall) down. 4. As I ____________ (try) to find my way out, I heard some noise. 5. Millie ____________ (watch) TV when lightning hit the building. 6. We ____________ (watch) in fear while the firemen ____________ (put) out the fire. 7. When I got up on Saturday morning, it ____________ (snow) heavily. 8. The wind ____________ (blow) hard all morning. 9. While we ____________ (enjoy) our meal, it began to snow again. 10. Some people in the neighbourhood ____________ (clear) the snow from the streets. 二、用 when, while 或 as 填空 1. I was working ____________ the earthquake started. 2. People were running in all directions ____________ pieces of glass were raining down. 3. ____________ I was trying to find my way out, I suddenly heard some noise. 4. Millie was watching TV ____________ lightning hit a nearby building. 5. ____________ we were enjoying our meal, it began to snow again. 6. The phone rang ____________ I was taking a shower. 7. ____________ the teacher was explaining the text, we listened carefully. 8. I saw a car accident ____________ I was riding my bike home. 三、单项选择 ( ) 1. I ________ working when the earthquake started. A. am B. was C. were D. is ( ) 2. It was raining ________ the police arrived. A. when B. while C. as D. because ( ) 3. People were running in all directions ________ pieces of glass were raining down. A. when B. while C. as soon as D. after ( ) 4. ________ I was trying to find my way out, I heard some noise. A. When B. While C. As D. All of the above ( ) 5. Millie was watching TV ________ lightning hit the building. A. when B. while C. as D. because ( ) 6. We were watching in fear ________ the firemen were putting out the fire. A. when B. while C. as D. after ( ) 7. When I got up, it ________ heavily. A. snow B. snows C. snowed D. was snowing ( ) 8. The wind ________ hard all morning. A. blow B. blows C. blew D. was blowing ( ) 9. While we ________ our meal, it began to snow. A. enjoy B. enjoyed C. were enjoying D. are enjoying ( ) 10. Some people ________ the snow from the streets. A. clear B. cleared C. were clearing D. are clearing 四、根据汉语意思完成句子 1. 地震发生时我正在工作。 I ____________ ____________ when the earthquake started. 2. 警察到达时正在下雨。 It ____________ ____________ when the police arrived. 3. 人们朝四面八方奔跑，同时玻璃碎片像雨点般落下。 People ____________ ____________ in all directions while pieces of glass were raining down. 4. 当我正试图找到出去的路时，我听到了响声。 ____________ I ____________ trying to find my way out, I heard some noise. 5. 米莉正在看电视时，闪电击中了附近的大楼。 Millie ____________ ____________ TV when lightning hit a nearby building. 6. 消防员们正在灭火，我们恐惧地看着。 We were watching in fear while the firemen ____________ ____________ out the fire. 7. 周六早上我起床时，天正下着大雪。 When I got up on Saturday morning, it ____________ ____________ heavily. 8. 风整个早上都在猛吹。 The wind ____________ ____________ hard all morning. 9. 当我们正在享用晚餐时，天又开始下雪了。 While we ____________ ____________ our meal, it began to snow again. 10. 我到家时，父母正在准备晚餐。 When I got home, my parents ____________ ____________ dinner ready. 五、用所给词的正确形式填空（短文填空） It was a cold winter day. I (1) ____________ (walk) home when I saw a car accident. A car (2) ____________ (hit) a tree while the driver (3) ____________ (talk) on the phone. People around (4) ____________ (shout) for help while some others (5) ____________ (call) the police. When the police arrived, they (6) ____________ (ask) people what happened. As I (7) ____________ (watch), the ambulance (救护车) came. Luckily, the driver was not badly hurt. 【答案】 一、 1. was working 2. was raining 3. were running, were falling 4. was trying 5. was watching 6. were watching, were putting 7. was snowing 8. was blowing 9. were enjoying 10. were clearing 二、 1. when 2. while 3. As/When/While 4. when 5. While/As 6. when/while 7. While/As 8. when/while 三、 1. B 2. A 3. B 4. D 5. A 6. B 7. D 8. D 9. C 10. C 四、 1. was working 2. was raining 3. were running 4. As/When/While, was 5. was watching 6. were putting 7. was snowing 8. was blowing 9. were enjoying 10. were getting 五、 1. was walking 2. hit 3. was talking 4. were shouting 5. were calling 6. asked 7. was watching 1 学科网（北京）股份有限公司 $