Unit7语法讲解及习题_过去进行时（The past continuous）-2025- 2026学年沪教版英语八年级下册

沪教（牛津）英语八下Unit7语法讲解及习题 过去进行时（The past continuous） 一、语法概念 过去进行时用于描述过去某一特定时间正在发生的动作，或过去同时进行的两个动作，是描述太空探索、事件过程等场景的常用语法。 二、详细用法讲解 1. 基本结构 过去进行时由“was/were + 动词-ing形式”构成，be动词的选择依据主语的单复数： 单数主语（I/he/she/it/单数名词）：was + 动词-ing 复数主语（we/you/they/复数名词）：were + 动词-ing 例句： We were waiting for instructions from ground control.（我们当时正在等待地面控制中心的指令。） I wasn’t feeling great at that time.（那时我感觉不太舒服。） 2. 用法场景 描述过去特定时间正在进行的动作：常搭配“at + 具体时间”“when + 过去时从句”等时间提示。 例：At 9 o’clock yesterday morning, they were doing experiments.（昨天早上9点，他们正在做实验。） 描述过去同时进行的两个动作：常用“while”连接两个过去进行时的句子。 例：While we were travelling into space, ground control was following us closely.（当我们向太空行进时，地面控制中心正在屏幕上密切追踪我们。） 三、习题训练 （一）用所给动词的正确形式（过去进行时）填空 1. A Russian satellite and an American satellite ___________ (crash) into each other on 11 February 2009. 2. When the crash happened, both satellites ___________ (travel) very fast. 3. Space agencies ___________ (track) all objects larger than a football, but they didn’t notice the two satellites. 4. At 9:00 yesterday morning, Yao ___________ (do) experiments in the space station. 5. While Liu ___________ (repair) equipment, Zhang ___________ (do) experiments. 6. I ___________ (not feel) great when I first arrived in space. 7. What ___________ you ___________ (do) at 8:00 last night? 8. They ___________ (have) breakfast from 7:30 to 8:00 this morning. 9. While we ___________ (rest) in the space station, ground control ___________ (monitor) our status. 10. She ___________ (talk) to her family when the journalist called. （二）选择正确的选项 从A、B、C中选出符合语法的选项。 1. We ___________ for instructions when the alarm rang. A. wait B. were waiting C. waited 2. While the astronaut ___________ a spacewalk, his teammates ___________ in the station. A. was doing; were staying B. did; stayed C. is doing; are staying 3. ______ you ___________ experiments at 10 o’clock yesterday? A. Did; do B. Were; doing C. Are; doing 4. When the crash happened, the two satellites ___________ very fast. A. travel B. travelled C. were travelling 5. I ___________ great when I first got into orbit. A. wasn’t feeling B. didn’t feel C. don’t feel 6. While they ___________ into space, ground control ___________ them closely. A. travelled; followed B. were travelling; were following C. travel; follow 7. What ___________ Yao ___________ at 20:30 last night? A. did; do B. is; doing C. was; doing 8. They ___________ a team meeting from 19:00 to 20:00 yesterday. A. had B. were having C. have 9. ______ Liu ___________ when the journalist interviewed him? A. Was; cycling B. Did; cycle C. Is; cycling 10. While Zhang ___________ TV, Yao ___________ to her family. A. watched; talked B. was watching; was talking C. watches; talks （三）用while连接句子 请用“while”将下列两个句子合并为一句（注意时态）。 1. I was doing experiments. My teammate was repairing equipment. → _____________________________________________________________________ 2. They were having lunch. The alarm suddenly rang. → _____________________________________________________________________ 3. Ground control was following us. We were travelling into space. → _____________________________________________________________________ 4. She was talking to her family. The journalist called. → _____________________________________________________________________ 5. He was jogging. His friends were cycling. → _____________________________________________________________________ （四）根据日程表回答问题 根据宇航员的日程表，用过去进行时回答问题。 Time Yao Liu Zhang 9:00-11:00 do experiments repair equipment do experiments 14:30-15:30 spacewalk spacewalk spacewalk 16:00-17:30 jogging do experiments cycling 1. What was Yao doing at 10:00 yesterday morning? → _____________________________________________________________________ 2. What were Liu and Zhang doing at 15:00 yesterday afternoon? → _____________________________________________________________________ 3. What was Zhang doing at 17:00 yesterday? → _____________________________________________________________________ 4. What was Liu doing while Yao was jogging? → _____________________________________________________________________ 5. What were they all doing at 15:00? → _____________________________________________________________________ （五）翻译句子 将下列句子翻译成英文（需包含过去进行时）。 1. 昨天早上9点，他们正在太空站做实验。 _____________________________________________________________________ 2. 当碰撞发生时，两颗卫星正以极快的速度飞行。 _____________________________________________________________________ 3. 当我们向太空行进时，地面控制中心正在密切追踪我们。 _____________________________________________________________________ 4. 昨天晚上8点，她正在和家人通话。 _____________________________________________________________________ 5. 当记者采访他时，他正在修理设备。 _____________________________________________________________________ 四、答案及解析 （一）用所给动词的正确形式填空 1. were crashing（主语是两个卫星，复数，用were + crashing） 2. were travelling（when引导的过去时从句，主句用过去进行时） 3. were tracking（描述过去同时进行的动作，用were + tracking） 4. was doing（主语Yao是单数，用was + doing） 5. was repairing; was doing（while连接两个过去进行时动作） 6. wasn’t feeling（否定形式，用wasn’t + feeling） 7. were; doing（一般疑问句，主语you是复数，用were + doing） 8. were having（时间段内正在进行的动作，用were + having） 9. were resting; were monitoring（while连接两个过去进行时动作） 10. was talking（when引导的过去时从句，主句用过去进行时） （二）选择正确的选项 1. B（when引导的过去时从句，主句用过去进行时） 2. A（while连接两个过去进行时动作，主语单复数对应was/were） 3. B（询问过去特定时间的动作，用were + doing） 4. C（when引导的过去时从句，主句用过去进行时） 5. A（描述过去特定状态，用wasn’t feeling） 6. B（while连接两个过去进行时动作） 7. C（询问过去特定时间的动作，主语Yao是单数，用was + doing） 8. B（时间段内正在进行的动作，用were having） 9. A（询问过去特定动作，主语Liu是单数，用was + cycling） 10. B（while连接两个过去进行时动作） （三）用while连接句子 1. While I was doing experiments, my teammate was repairing equipment. 2. While they were having lunch, the alarm suddenly rang. 3. While we were travelling into space, ground control was following us. 4. While she was talking to her family, the journalist called. 5. While he was jogging, his friends were cycling. （四）根据日程表回答问题 1. She was doing experiments. 2. They were doing a spacewalk. 3. He was cycling. 4. He was doing experiments. 5. They were all doing a spacewalk. （五）翻译句子 1. They were doing experiments in the space station at 9 o’clock yesterday morning.（过去特定时间的动作） 2. When the crash happened, the two satellites were travelling very fast.（when引导的过去进行时） 3. While we were travelling into space, ground control was following us closely.（while连接的同时进行的动作） 4. She was talking to her family at 8 o’clock last night.（过去特定时间的动作） 5. While the journalist was interviewing him, he was repairing equipment.（while连接的同时进行的动作） ( 1 ) 学科网（北京）股份有限公司 $