Unit 2 How often do you exercise 知识点解析 2024-2025学年人教版八年级英语上册

Unit 2 How often do you exercise 重点单词 1.exercise (v./n.) 练习,锻炼 例句:I exercise every day to keep fit.(我每天锻炼以保持健康。) 2. housework (n.) 家务活 例句:I often help my parents with housework.(我经常帮父母做家务。) 3. hardly (adv.) 几乎不 例句:I hardly ever watch TV during weekdays.(在工作日,我几乎不看电视。) 4. once/twice (adv.) 一次/两次 例句:I go to the gym once a week.(我每周去一次健身房。) 5. Internet (n.) 互联网 例句:I often use the Internet to study.(我经常用互联网来学习。) 6. swing dance (n.) 摇摆舞 例句:My grandma likes to dance swing dance.(我奶奶喜欢跳摇摆舞。) 7. free (adj.) 有空的,自由的 例句:I'm free this afternoon, so I can help you with your homework.(我今天下午有空,可以帮你做作业。) 8. camping (n.) 野营 例句:We plan to go camping next weekend.(我们计划下周末去野营。) 9. popular (adj.) 流行的,受欢迎的 例句:Basketball is the most popular sport in our school.(篮球是我们学校最受欢迎的运动。) dentist (n.) 牙医 应用例句:I have to go to the dentist for a checkup.(我得去看牙医做检查。) 重点短语 1.help with housework 帮助做家务活 例句:Could you help me with the housework?(你能帮我做家务吗?) 2. on weekends 在周末 例句:I usually do my homework on weekends.(我通常在周末做作业。) 3. how often 多久一次 例句:How often do you play football?(你多久踢一次足球?) 4. once a week 每周一次 例句:I go to the library once a week.(我每周去一次图书馆。) 5. stay up late 熬夜 例句:Don't stay up late, it's bad for your health.(不要熬夜,对身体不好。) 6. be good for 对...有好处 例句:Exercising is good for your health.(锻炼对健康有好处。) 7. in one's free time 在某人的空闲时间 例句:I like to read books in my free time.(我喜欢在空闲时间读书。) 8. the most popular 最受欢迎的 例句:Soccer is the most popular sport in the world.(足球是世界上最受欢迎的运动。) 9. go to the movies 去看电影 例句:Let's go to the movies this weekend.(这周末我们去看电影吧。) not...at all 一点儿也不 例句:I don't like coffee at all.(我一点儿也不喜欢咖啡。) 语法 在这个单元中,“How often” 是一个用于询问频率的特殊疑问词组,它通常引导一个特殊疑问句,用于询问某件事情发生的频率。在语法上,这个句型后面接的是一个助动词(如“do”, “does”, “did”)加动词原形(通常是行为动词),来询问主语进行某个动作或参与某个活动的频率。 语法结构例句: 1.How often + 助动词(do/does/did)+ 主语+ 动词原形 + 其他? 例句: 询问一般现在时的频率例句: How often do you exercise? 你多久锻炼一次? How often does she go shopping? 她多久去购物一次? 2. 询问一般过去时的频率(注意助动词的变化)例句: How often did you visit your grandparents last year? 你去年多久拜访一次你的祖父母? How often did they go out to eat? 他们多久出去吃一次饭? 3. 使用不同的时间状语来丰富句子例句: How often do you have to take a test at school? 你在学校多久要参加一次考试? How often does he watch TV on weekends? 他周末多久看一次电视? 4. 回答示例例句: I exercise every day. 我每天都锻炼。 She goes shopping once a week. 她每周购物一次。 We visited our grandparents twice a month last year. 我们去年每月拜访祖父母两次。 重点句子解析 "How often do you exercise?" 解析:这是一个询问频率的特殊疑问句,用来询问对方多久进行一次锻炼。 仿写:How often do you read books? (你多久读一次书?) "I exercise every day." 解析:这句话给出了锻炼的频率,即每天。 仿写:I eat breakfast every morning. (我每天早晨都吃早餐。) "She never goes to the movies." 解析:这句话使用了否定词"never"来强调某人从不做某事,即她从不看电影。 仿写:He never forgets to take his umbrella. (他从不忘记带伞。) "I usually watch TV twice a week." 解析:这句话提供了观看电视的具体频率,即每周两次。 仿写:We usually go swimming once a month. (我们通常每月游泳一次。) "Exercise helps me keep fit." 解析:这句话解释了锻炼的益处,即帮助保持健康。 仿写:Reading helps me improve my vocabulary. (阅读帮助我扩大词汇量。) 综合仿写练习 假设我们要仿写一段对话,询问对方的生活习惯和频率: 对话1: A: How often do you do sports, Bob? B: I do sports three times a week. Running and swimming are my favorites. A: Really? I exercise every day, but I only swim occasionally. B: Exercise helps us both keep fit, doesn't it? A: Absolutely. I also try to read a book at least once a week. How about you? B: I'm a big fan of reading, too. I read at least two books every month. 对话2: A: How often do you go to the cinema, Linda? B: I hardly ever go to the cinema. I'd rather stay home and watch TV series. A: Oh, I watch TV series every night before bed. I can't imagine a day without it. B: That's cool. But I find it more relaxing to listen to music. I listen to music every day. A: Me too! Music helps me relax after a long day. 学科网(北京)股份有限公司 $$