Unit 3 Keep Fit单元语法精讲精练与单元话题写作指导 2025-2026学年人教版英语七年级下册

单元语法精讲精练 单元语法精讲 一、物主代词 1.分类 物主代词分为形容词性物主代词和名词性物主代词。物主代词有人称和数的变化。 人称 单数 复数 形容词性 名词性 形容词性 名词性 第一人称 my我的 mine我的 our我们的 ours我们的 第二人称 your你的 yours你的 your你们的 yours你们的 第三人称 his他的 his他的 their他/她/它们的 theirs他/她/它们的 her她的 hers她的 its它的 its它的 1. 用法 物主 代词 用法 示例 形容词 性物主 代词 位于名词前, 起形容词的 作用 Jack loves his job. 杰克热爱他的工作。 名词性 物主代 词 相当于“形容 词性物主代 词+名词”,在 句中起名词的 作用,可作主 语、宾语、表语 This is not my book. Mine is over there. (Mine=My book) 这不是我的书。我的在那边。 He shows his ticket and she shows hers. (hers=her ticket) 他出示了他的票,她出示了 她的。 These pencils are theirs. (theirs=their pencils) 这些铅笔是他们的。 二、频度副词 1.定义：说明动作、行为发生的频率。 1. 常见频度副词的辨析 频度 高低 always(总是;一直)>usually(通常地)>often (时常;经常)>sometimes(有时)> seldom(不 常;很少)>hardly(几乎不)>never(从不) 位置 be 动词、助动词、情态动词后,实义动词前 示例 We're not always this busy! 我们并不总是这么忙! She doesn't often travel. 她不经常去旅游。 I seldom play games. 我很少玩游戏。 He can never be on time. 他永远不能准时。 单元语法精练 一、从方框中选择恰当的单词填空。 always, often, usually, never, sometimes 1. He doesn’t like basketball. So he ______ plays it. 1. Nick goes to his swimming lessons every day. And he ______ swims for an hour. 1. My father drives me to school on Wednesdays and Fridays. That’s to say, I ______ go to school by car. 1. She goes to the library every day except (除了) Friday. So we can ______ see her in the library. 1. —How ______ do you go to the cinema? Once a month. 二、阅读下面的句子，用括号内所给单词的正确形式填空。 1.Are those people friends of ______ (you)? 1. Coco is a new friend of ______ (I) at junior high. 1. George introduced us to some friends of ______ (he) at the party. 1. This isn’t Julie’s notebook. ______ (she) is in her schoolbag. 5.Our classroom is very clean,and ______ (them）is also very clean. 1. The nice room is not ______ (our). It’s my parents’. 语法拓展训练——回归教材 阅读短文，在空白处填入一个适当的单词或用括号内所给词的正确形式填空，使短文通顺、连贯。（共10小题，每小题10分，共100分） Xia Tian I like skateboarding very much. My friends and I practise at a special park 1. ______ (two) a week. My skateboard is really cool, and so are 2. ______ (they). We encourage one another to do tricks. Some tricks are difficult, but once you succeed, you feel great! I like skateboarding because it keeps me fit. Jenny This year, my goal is to be 3. ______ (real) fit. I jog, swim, and do sit-ups. But my favourite way of keeping fit is to use 4. ______ exercise app to work out. The app gives me 5. ______ (exercise) to do every day. It can show my progress. My friends use the app too. We have fun when we keep fit together! Steve I’m in my 6. ______ (school) baseball club, so I play baseball quite often. It’s my favourite sport. We play many 7. ______ (match). The other teams are great, but I think ours is the 8. ______ (good)! We usually practise three times a week after school. We also exercise a lot because it keeps us fit and helps us play better. Baseball also 9. ______ (build) team spirit. All of us are good friends, both on 10. ______ off the field. We work as a team, and we win or lose as a team. 单元话题写作指导 [单元话题分析] 本单元的写作话题是“最喜欢的保持健康的方式”，学生通过本单元的学习，可以认识到运动的重要性，选择健康的生活方式。 [话题写作指导] 话题词汇必备 单词必备 1. fit 健康的；健壮的；适合 2. baseball 棒球（运动） 3. mat（运动用的）垫子 1. racket (网球、羽毛球等的) 球拍 5. practice 练习; 实践 6. badminton 羽毛球运动 1. volleyball 排球(运动) 8. jog 慢跑 9. skateboard 滑板 10.skateboarding滑板运动 11.sit-up仰卧起坐 12.swim游泳 13.usually 通常 14.sometimes有时 15.never从不 16.seldom很少 17.health健康 短语必备 1. every day 每天 2. hardly ever 几乎从不 3. once a week 一周一次 1. twice a week 一周两次 5. be good for 对……有好处 6. keep fit 保持健康 1. workout锻炼 话题句子必备 1. I like skateboarding because it keeps me fit. 我喜欢滑板，因为它使我保持健康。 1. This year, my goal is to be really fit. 今年，我的目标是要非常健康。 1. My favourite way of keeping fit is to use an exercise app to work out. 我最喜欢的保持健康的方式是使用锻炼应用程序来锻炼。 1. We have fun when we keep fit together! 当我们一起健身时，我们很开心！ 1. We also exercise a lot because it keeps us fit and helps us play better. 我们也经常锻炼，因为它使我们保持健康，帮助我们打得更好。 1. Swimming is good for me because it keeps me healthy. It is good exercise for my body. 游泳对我有好处，因为它使我保持健康。这对我的身体是很好的锻炼。 [话题佳作欣赏] 话题范文必备 范文赏析 Boys and girls, nothing is more important than health. It is very important for us to stay healthy. If we are not healthy, we can't study well. There are many ways to keep healthy. Here are my favorite ways. First, we should eat more fruit and vegetables. Second, to have a strong body, we should do exercise for at least one hour every day. What's more, we should get enough sleep. Remember a saying—“Early to bed and early to rise makes a man healthy, wealthy and wise.” And the most important is saying goodbye to junk food. It is bad for our health. In a word, good health leads the way to a happy and successful life. ①It is very important for sb. to do sth. 句型的运用,使文章句式丰富多彩。②if 引导的条件状语从句,说明了身体不健康的后果。③First, Second, What's more 表示顺序的词汇的运用,清楚明白地说明了作者最喜欢的保持健康的方式。这些词汇的运用,使文章条理、清晰明了。④谚语的运用,不但有力地证明了早睡早起的好处,也体现了作者语言掌握的程度。 [佳作译文] 孩子们，没有什么比健康更重要。对我们来说保持健康是非常重要的。如果我们不健康，我们就不能好好学习。 有很多方法来保持健康。以下是我最喜欢的方法。首先，我们应该多吃水果和蔬菜。其次，要有一个强壮的身体，我们应该每天至少锻炼一个小时。更重要的是，我们应该有足够的睡眠。记住一句谚语：“早睡早起使人健康、富有和聪明。”最重要的是和垃圾食品说再见。它对我们的健康有害。 总之，良好的健康是通往幸福和成功生活的道路。 [话题写作训练] 假设你是李华，你的美国笔友 Tom 想了解你保持健康的方式，请你根据以下提示给他写一封邮件。 提示：1. 你喜欢的运动（如跑步、游泳等）及运动的频率； 2.你的饮食习惯（如多吃蔬菜、少吃垃圾食品等）； 3.你的作息时间（如早睡早起等）。 要求：1.邮件内容须包含以上提示要点，可适当发挥； 2.70词左右，邮件开头和结尾已给出，不计入总词数。 思路点拨 1.体裁：应用文 1. 时态：主要使用一般现在时 3.人称：第一、二人称 1. 框架结构： 写作练习 Dear Tom, How are you?____________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Best wishes! Yours, Li Hua 学科网（北京）股份有限公司 $