Unit1-6句型转换考点分析 2025-2026学年外研版八年级英语上册

2025-2026外研版八年级英语上册Unit1-6句型转换考点分析 考点一：同义句转换 考点1：个人特征与人际交往短语转换 （对应Unit1 This is me、Unit2 Getting along核心知识点，聚焦性格描述与相处表达） 1. I am outgoing. = I have an outgoing personality. 2. She gets on well with her classmates. = She gets along well with her classmates. 3. He is good at playing the piano. = He does well in playing the piano. 4. I often help my friends. = I often give a hand to my friends. 知识点：get on well with=get along well with（表与……相处融洽，Unit2 Getting along核心短语，教材重点讲解）；be good at=do well in（表擅长，Unit1 This is me性格与能力描述核心搭配）；help=give a hand to（表帮助，教材基础拓展短语，适配八年级认知）。 考点2：目标行动与数字生活表达转换 （对应Unit3 Make it happen!、Unit4 Digital life核心知识点） 1. I plan to learn English well. = I am going to learn English well. 2. He uses a computer to search for information. = He searches for information on the computer. 3. We hope to finish the work on time. = Our hope is to finish the work on time. 4. She spends an hour on her homework. = It takes her an hour to do her homework. 知识点：plan to do=be going to do（表计划做某事，Unit3 Make it happen!目标规划重点句式）；spend...on=It takes...to do（表花费时间，Unit4 Digital life日常使用电脑场景高频转换）；use sth. to do=do sth. with sth.（表用某物做某事，贴合Unit4数字设备使用语境）。 考点3：规则义务与灾难场景转换 （对应Unit5 Play by the rules?、Unit6 When disaster strikes核心知识点） 1. We must follow the rules. = We have to obey the rules. 2. You shouldn't smoke in public. = It's not allowed to smoke in public. 3. The fire broke out last night. = There was a fire last night. 4. He helped put out the fire. = He helped put the fire out. 知识点：must=have to（表必须，Unit5 Play by the rules?情态动词义务表达重点）；follow=obey（表遵守规则，单元核心同义动词）；break out=happen（表灾难突然发生，Unit6 When disaster strikes火灾、地震等场景重点短语）；put out为动副短语，代词放中间，名词可放中间或末尾（教材动副短语基础用法，适配八年级要求）。 题目演练 1. She is good at dancing.（改为同义句） She ________ ________ ________ dancing. 2. I spend 30 minutes reading every day.（改为同义句） It ________ me 30 minutes ________ ________ every day. 3. We must obey the traffic rules.（改为同义句） We ________ ________ obey the traffic rules. 4. She gets on well with her brother.（改为同义句） She gets ________ ________ with her brother. 5. He uses a phone to call his mother.（改为同义句） He calls his mother ________ ________ phone. 6. A big fire broke out in the forest.（改为同义句） There ________ a big fire in the forest. 7. I plan to visit my grandparents.（改为同义句） I ________ ________ ________ visit my grandparents. 8. She helped put out the fire.（改为同义句） She helped put ________ ________ out. 9. You shouldn't litter here.（改为同义句） It's not allowed ________ ________ here. 10. He does well in math.（改为同义句） He ________ ________ ________ math. 考点二：改为否定句 考点1：情态动词与实义动词否定 （覆盖全单元，聚焦must/should/have to及一般过去时实义动词否定，贴合八年级考点） 知识点1（情态动词）：must否定为mustn't（禁止，Unit5规则场景常用）/needn't（不必，表义务弱化）；should否定为shouldn't（表建议否定，全单元通用）；have to否定为don't/doesn't/didn't have to，随时态变化（贴合不同单元时态场景）。 例句：1. We must follow the rules. → We mustn't break the rules.（贴合Unit5规则场景，语气一致） 2. She should go to school early. → She shouldn't go to school late. 知识点2（一般过去时实义动词）：加didn't，实义动词变原形，对应Unit6 When disaster strikes灾难过去经历描述的核心时态用法。 例句：1. He helped put out the fire. → He didn't help put out the fire. 2. They spent two hours on the work. → They didn't spend two hours on the work. 题目演练 1. We must obey the rules.（改为否定句） We ________ ________ the rules. 2. She should eat too much junk food.（改为否定句） She ________ ________ too much junk food. 3. He helped his friend yesterday.（改为否定句） He ________ ________ his friend yesterday. 4. They have to finish the work today.（改为否定句） They ________ ________ ________ finish the work today. 5. She spends an hour on TV every day.（改为否定句） She ________ ________ an hour on TV every day. 6. The fire broke out last night.（改为否定句） The fire ________ ________ out last night. 7. He is good at swimming.（改为否定句） He ________ ________ good at swimming. 8. We get on well with our neighbors.（改为否定句） We ________ ________ on well with our neighbors. 考点三：改为一般疑问句 考点1：情态动词与一般过去时疑问句 （外研版八年级上册核心，适配单元语法重点） 知识点1（情态动词）：将must/should提到句首，其余部分不变，句末加问号。 例句：1. We must follow the rules. → Must we follow the rules? 2. She should go to the doctor. → Should she go to the doctor? 知识点2（一般过去时实义动词）：句首加Did，实义动词变原形，第一人称变第二人称。 例句：1. He visited the museum yesterday. → Did he visit the museum yesterday? 2. They spent a day in the park. → Did they spend a day in the park? 题目演练 1. We must finish our homework on time.（改为一般疑问句） ________ we ________ our homework on time? 2. She should see a doctor.（改为一般疑问句） ________ she ________ a doctor? 3. He helped put out the fire.（改为一般疑问句） ________ he ________ put out the fire? 4. They spent two hours on the work.（改为一般疑问句） ________ they ________ two hours on the work? 5. She gets on well with her classmates.（改为一般疑问句） ________ she ________ on well with her classmates? 6. He uses a computer to search for information.（改为一般疑问句） ________ he ________ a computer to search for information? 7. We have to go to school early.（改为一般疑问句） ________ you ________ ________ go to school early? 8. The fire broke out last night.（改为一般疑问句） ________ the fire ________ out last night? 考点四：对划线部分提问 考点1：疑问词进阶用法（贴合教材） （新增how long/how often/why等，对应单元场景，不超纲） 知识点：1. 对频率提问用how often（Unit4 Digital life数字设备使用习惯描述高频疑问词）；2. 对时间长短提问用how long（适配各单元时间花费场景，教材基础进阶疑问词）；3. 对原因提问用why（Unit6灾难原因、Unit5规则制定理由，单元场景适配）；4. 对方式提问用how（全单元通用基础疑问词）；5. 对物品用途提问用what...for（Unit4数字设备用途询问，贴合单元语境）。 例句：1. He watches TV twice a week.（对划线部分提问）How often does he watch TV? 2. They spent three hours on the work.（对划线部分提问）How long did they spend on the work? 3. The fire broke out because of a cigarette.（对划线部分提问）Why did the fire break out? 题目演练 1. He watches TV twice a week.（对划线部分提问） ________ ________ does he watch TV? 2. They spent three hours on the work.（对划线部分提问） ________ ________ did they spend on the work? 3. The fire broke out because of a cigarette.（对划线部分提问） ________ did the fire break out? 4. She uses a phone to call her mother.（对划线部分提问） ________ does she use a phone ________? 5. He gets on well with his sister.（对划线部分提问） ________ does he get on with his sister? 6. We must obey the rules because they keep us safe.（对划线部分提问） ________ must we obey the rules? 7. She spends 30 minutes reading every day.（对划线部分提问） ________ ________ does she spend reading every day? 8. He helped put out the fire yesterday.（对划线部分提问） ________ did he ________ yesterday? 考点五：合并为一句 考点1：用连词合并（因果/并列/转折） （新增because/so，适配Unit5规则制定原因、Unit6灾难结果描述场景，符合外研版八年级上册连词用法要求） 例句：1. We must obey the rules. They keep us safe. → We must obey the rules because they keep us safe. 2. She is outgoing. She gets on well with others. → She is outgoing, so she gets on well with others. 3. He tried his best. He didn't finish the work. → He tried his best but he didn't finish the work. 考点2：用短语合并简化句式 例句：1. He is good at math. He is good at English. → He is good at both math and English. 2. She uses a computer. She searches for information. → She uses a computer to search for information. 题目演练 1. We must obey the rules. They keep us safe.（合并为一句） We must obey the rules ________ they keep us safe. 2. She is outgoing. She gets on well with others.（合并为一句） She is outgoing, ________ she gets on well with others. 3. He is good at math. He is good at English.（合并为一句） He is good at ________ math ________ English. 4. She has a phone. She calls her mother with it.（合并为一句） She has a phone ________ ________ her mother. 5. He tried his best. He didn't pass the exam.（合并为一句） He tried his best ________ he didn't pass the exam. 参考答案（横版） 同义句转换：1.does well in；2.takes；to read；3.have to；4.along well；5.with a；6.was；7.am going to；8.the fire；9.to litter；10.is good at 改为否定句：1.mustn't obey；2.shouldn't eat；3.didn't help；4.don't have to；5.doesn't spend；6.didn't break；7.is not；8.don't get 改为一般疑问句：1.Must；finish；2.Should；see；3.Did；help；4.Did；spend；5.Does；get；6.Does；use；7.Do；have to；8.Did；break 对划线部分提问：1.How often；2.How long；3.Why；4.What；for；5.How；6.Why；7.How long；8.What；do 合并为一句：1.because；2.so；3.both；and；4.to call；5.but 学科网（北京）股份有限公司 $