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一、用所给词的适当形式填空
1. When you called me, I ___(collect) rubbish on the beach.
2. When it began to rain, they ___(run) on the playground and everyone was wet.
3. I ___(do) my homework from 8:00 to 10:00 last night.
4. —Why didn't you answer my phone last night?
—Sorry, I ___(take) a shower when you called.
5. Grandma was cooking breakfast while I ___(wash) my face this morning.
1. When you called me, I ___(collect) rubbish on the beach.
2. When it began to rain, they ___(run) on the playground and everyone was wet.
3. I ___(do) my homework from 8:00 to 10:00 last night.
4. —Why didn't you answer my phone last night?
—Sorry, I ___(take) a shower when you called.
5. Grandma was cooking breakfast while I ___(wash) my face this morning.
答案
1. was collecting 2. were running 3. was doing
4. was taking 5. was washing
4. was taking 5. was washing
解析
【分析】
本题考查过去进行时的用法，解题思路如下：首先判断句子的时间背景为过去，再确定动作是在过去某个时间点或时间段内正在进行，回忆过去进行时的结构为“was/were + 动词现在分词”，最后根据主语的单复数选择was或were，同时将所给动词转换为现在分词形式。
【解析】
1. 句中when引导的时间状语为过去式called，说明主句动作（collect rubbish）在过去该时间点正在进行，主语为I，因此用was collecting。
2. when引导的时间状语为过去式began，主句主语为they（复数），动作run在过去该时间点正在进行，因此用were running。
3. 时间状语from 8:00 to 10:00 last night是过去的时间段，说明动作do homework在该时间段内正在进行，主语为I，因此用was doing。
4. when you called是过去时间状语，答句动作take shower在该时间点正在进行，主语为I，因此用was taking。
5. while连接两个过去动作，从句动作wash face与主句动作cooking breakfast同时在过去进行，主语为I，因此用was washing。
【答案】
1. was collecting 2. were running 3. was doing 4. was taking 5. was washing
【知识点】
过去进行时，动词适当形式填空
【点评】
本题围绕过去进行时的核心考点，通过不同时间状语（when、from...to...、while）的设置，考查学生对过去进行时结构及适用场景的掌握，是初中英语时态的基础题型，需学生牢记结构并结合语境判断。
【难度系数】
0.3
本题考查过去进行时的用法，解题思路如下：首先判断句子的时间背景为过去，再确定动作是在过去某个时间点或时间段内正在进行，回忆过去进行时的结构为“was/were + 动词现在分词”，最后根据主语的单复数选择was或were，同时将所给动词转换为现在分词形式。
【解析】
1. 句中when引导的时间状语为过去式called，说明主句动作（collect rubbish）在过去该时间点正在进行，主语为I，因此用was collecting。
2. when引导的时间状语为过去式began，主句主语为they（复数），动作run在过去该时间点正在进行，因此用were running。
3. 时间状语from 8:00 to 10:00 last night是过去的时间段，说明动作do homework在该时间段内正在进行，主语为I，因此用was doing。
4. when you called是过去时间状语，答句动作take shower在该时间点正在进行，主语为I，因此用was taking。
5. while连接两个过去动作，从句动作wash face与主句动作cooking breakfast同时在过去进行，主语为I，因此用was washing。
【答案】
1. was collecting 2. were running 3. was doing 4. was taking 5. was washing
【知识点】
过去进行时，动词适当形式填空
【点评】
本题围绕过去进行时的核心考点，通过不同时间状语（when、from...to...、while）的设置，考查学生对过去进行时结构及适用场景的掌握，是初中英语时态的基础题型，需学生牢记结构并结合语境判断。
【难度系数】
0.3
二、将下列句子改为同义句
1. Jack ______ was playing computer games. At the same time ______ , Jane was listening to music.
Jack ___ ___ ___ ___ Jane was
listening to music.
2. It was raining when the plane landed.
While it ___ ___, the plane landed.
3. I was reading in the library when it started to snow.
___ I ___ ___ in the library, it ___ to snow.
4. While I was watching TV, my father came in.
I was watching TV ___ my father ___ in.
5. Betty was cooking when I visited her yesterday.
___ Betty ___ ___ yesterday, I visited her.
1. Jack ______ was playing computer games. At the same time ______ , Jane was listening to music.
Jack ___ ___ ___ ___ Jane was
listening to music.
2. It was raining when the plane landed.
While it ___ ___, the plane landed.
3. I was reading in the library when it started to snow.
___ I ___ ___ in the library, it ___ to snow.
4. While I was watching TV, my father came in.
I was watching TV ___ my father ___ in.
5. Betty was cooking when I visited her yesterday.
___ Betty ___ ___ yesterday, I visited her.
答案
1. was playing computer games while
2. was raining
3. While; was reading; started / began
4. when; came
5. While; was cooking
2. was raining
3. While; was reading; started / began
4. when; came
5. While; was cooking
解析
【分析】
本题为英语同义句转换题，核心考查时间状语从句中连词while与when的用法，以及过去进行时和一般过去时的时态搭配规则。解题思路：1. 明确while引导的从句常用过去进行时（表延续性动作），when引导的从句可接一般过去时（表短暂动作）；2. 替换原句的时间表达，保持主从句动作的时间逻辑一致，确保句意不变。
【解析】
1. 原句表达两个同时进行的过去动作，需用while连接，故填was playing computer games while；
2. while引导的时间状语从句需用过去进行时，主语为it，故填was raining；
3. 用while替换原句的时间状语，从句用过去进行时（主语I，故was reading），主句用一般过去时，故依次填While、was reading、started；
4. when可替换while引导的时间状语，从句用一般过去时，故依次填when、came；
5. while引导的从句表延续性动作，用过去进行时（主语Betty，故was cooking），故依次填While、was cooking。
【答案】
1. was playing computer games while
2. was raining
3. While; was reading; started / began
4. when; came
5. While; was cooking
【知识点】时间状语从句（while/when用法）、过去进行时、一般过去时
【点评】本题为英语基础同义转换题，聚焦时态与连词的搭配，是初中英语的常考知识点，只要掌握while和when的用法区别及过去时态的运用即可轻松完成。
【难度系数】0.6
本题为英语同义句转换题，核心考查时间状语从句中连词while与when的用法，以及过去进行时和一般过去时的时态搭配规则。解题思路：1. 明确while引导的从句常用过去进行时（表延续性动作），when引导的从句可接一般过去时（表短暂动作）；2. 替换原句的时间表达，保持主从句动作的时间逻辑一致，确保句意不变。
【解析】
1. 原句表达两个同时进行的过去动作，需用while连接，故填was playing computer games while；
2. while引导的时间状语从句需用过去进行时，主语为it，故填was raining；
3. 用while替换原句的时间状语，从句用过去进行时（主语I，故was reading），主句用一般过去时，故依次填While、was reading、started；
4. when可替换while引导的时间状语，从句用一般过去时，故依次填when、came；
5. while引导的从句表延续性动作，用过去进行时（主语Betty，故was cooking），故依次填While、was cooking。
【答案】
1. was playing computer games while
2. was raining
3. While; was reading; started / began
4. when; came
5. While; was cooking
【知识点】时间状语从句（while/when用法）、过去进行时、一般过去时
【点评】本题为英语基础同义转换题，聚焦时态与连词的搭配，是初中英语的常考知识点，只要掌握while和when的用法区别及过去时态的运用即可轻松完成。
【难度系数】0.6
