Unit 4重点知识讲解-2025-2026学年冀教版英语八年级上册

冀教英语八上Unit 4重点知识讲解 Unit 4 Being a good learner 一、单词用法讲解 1. focus /ˈfəʊkəs/ v. 集中（注意力）；聚焦 n. 焦点；中心 教材原句：You can focus on the key words. → 替换例句：Many students find it hard to focus on studying while taking online classes. 用法解析 · 作动词，常用搭配 focus on，意为“致力于；集中精力在……”，后接名词、代词或动名词。 · 作名词，意为“焦点；中心”，常用短语 the focus of...（……的焦点）。 例句 · In this scene, the camera focuses on the actor's face. · The focus of the meeting is to discuss the new plan. 2. compare /kəmˈpeə(r)/ v. 比较；比作为 教材原句：You can also compare related concepts to understand their similarities and differences. → 替换例句：The report compares different types of computers. 用法解析 · 作及物动词，常见搭配： · compare... with...：将……与……相比（同类比较） · compare... to...：把……比作……（异类比喻） · 过去分词短语 compared with... 可作状语，意为“与……相比”。 易混辨析 易混词组 用法及例句 compare... with... 同类比较，表“把……和……对比” 例：My mother often compares me with other children. compare... to... 异类比喻，表“把……比作……” 例：We often compare teachers to gardeners. compared with... 作状语，表“与……相比” 例：Compared with his car, mine is much cheaper. 例句 · He compared children to happy birds. · Compared with going outside, staying at home is safer. 3. remind /rɪˈmaɪnd/ v. 使想起；提醒 教材原句："These remind me of my holidays there," Bill added. → 替换例句：Thanks for reminding me of the meeting. 用法解析 · 作及物动词，常见搭配： · remind sb of...：使某人想起…… · remind sb to do sth：提醒某人做某事 · remind sb + that 从句：提醒某人…… 例句 · Her email reminds me of inviting her to our party. · The sinking sun reminded him that he must go home before dark. 4. surprised /səˈpraɪzd/ adj. 惊奇的；惊讶的；感觉意外的 教材原句：Everyone was surprised. → 替换例句：I was so surprised to find a new watch on my desk. 用法解析 · 形容词，主语通常是人，常用短语： · be surprised to do sth：做某事感到很惊讶 · be surprised at sth：对某事感到很惊讶 · 形容词形式 surprising 修饰事物，意为“令人惊讶的”。 例句 · It is surprising that Tom got first prize. · She was surprised at the news. 5. follow /ˈfɒləʊ/ v. 接受；听从（忠告、指示等）；跟随；沿着 教材原句：I followed her advice. → 替换例句：Our teachers always give us good suggestions. We should follow them. 用法解析 · 作及物动词，意为“跟随；沿着”时，后接名词或代词作宾语； · 意为“遵循；听从”时，可接建议、规则等名词。 例句 · Follow me and I'll show you the way. · Sorry, I don't follow you.（对不起，我不明白你的话。） 6. alone /əˈləʊn/ adv. 独自地；单独地 adj. 独自的；单独的 教材原句：Studying alone helps us focus completely on the material. → 替换例句：I'm afraid to be alone at home at night. 用法解析 · 作副词，意为“独自地；单独地”；作形容词，意为“独自的；单独的”，通常没有感情色彩。 · 易混词 lonely 意为“孤独的”，指内心感到孤独。 例句 · He had to live alone in a house. · The story is about a lonely old man and his dog. 7. attention /əˈtenʃn/ n. 注意力；注意 教材原句：When you do self-study, you pay all your attention to learning. → 替换例句：He was waving his arms to draw their attention. 用法解析 · 作名词，常用短语： · pay attention to：注意……（to为介词，后接名词/动名词） · draw one's attention：引起……的注意 · draw one's attention to...：引起某人对……的注意 例句 · Please pay attention to your spelling. · The teacher drew our attention to the new rule. 8. allow /əˈlaʊ/ v. 允许；认可 教材原句：Studying alone allows us to have full control over our learning environment. → 替换例句：My parents don't allow me to go out at night. 用法解析 · 作及物动词，常见搭配： · allow sb (not) to do sth：（不）允许某人做某事 · be allowed to do sth：被允许做某事 · allow sb sth：允许某人某事 · allow sb in/out：允许某人进入/出去 · allow doing sth：允许做某事 例句 · This allows students to make plans online instead of face-to-face. · We don't allow smoking in our house. 二、重点短语讲解 1. focus on 集中精力在…… 教材原句：You can focus on the key words. → 替换例句：You should focus on your study instead of playing games. 用法解析 · 动词短语，focus 为动词，on 为介词，后接名词、代词或动名词。 例句 · The company will focus on developing new products. · She focused her attention on the problem. 2. remind sb of... 使某人想起…… 教材原句："These remind me of my holidays there," Bill added. → 替换例句：These books remind me of my childhood. 用法解析 · remind 为及物动词，of 后接名词、代词或动名词，表示“使某人想起……”。 例句 · The song reminds me of my hometown. · The old photo reminds her of her happy days. 3. pay attention to 注意…… 教材原句：When you do self-study, you pay all your attention to learning. → 替换例句：Please pay attention to the traffic rules when crossing the street. 用法解析 · attention 为名词，to 为介词，后接名词、代词或动名词。 例句 · The teacher asked us to pay attention to the new words. · He paid no attention to what I said. 4. allow sb to do sth 允许某人做某事 教材原句：Studying alone allows us to have full control over our learning environment. → 替换例句：The teacher allowed us to leave early. 用法解析 · allow 为及物动词，后接复合宾语，sb 为宾语，to do sth 为宾语补足语。 例句 · They don't allow people to smoke in the office. · I was allowed to use the computer. 5. miss school 缺课 例句：He missed school because he had a flu. 用法解析 · miss 此处意为“错过；未出席”，school 指“上课；上学”。 例句 · She missed school for a week because of illness. · Don't miss school without a good reason. 三、重点句式讲解 1. “疑问词（短语）+动词不定式”结构 教材原句：How to learn physics. → 替换例句：At first, Katie didn't know what to say to Megan. 句式结构 · 该结构在句中可作宾语、主语、表语。 · 疑问词包括 what、how、when、where、which 等。 例句 · How to find it is still a problem.（作主语） · The question is where to make a living.（作表语） 2. “What about...?” 句型 教材原句：What about from 7:00 to 8:30 every Friday evening? → 替换例句：What about playing football with me? 句式结构 · 意为“……怎么样？”，相当于 How about...?，常用于引入新话题或提出建议，后接名词、代词或动名词。 例句 · What about free time with parents around? · How about getting up to play swords? 3. “be sure+(that)从句”结构 教材原句：I'm not sure I would agree with that. → 替换例句：I'm sure that reading these books is good for your study. 句式结构 · 意为“肯定/确信……”，that 可省略；该结构可转换为 It is certain+that 从句。 联想拓展 · be sure to do sth：一定要做某事 · be sure of (doing) sth：对某事有把握 · make sure of (doing) sth：确保（做）某事 例句 · Finally, be sure to thank your audience when you finish speaking. · I am so sure of my opinion. 四、语法讲解：情态动词 教材原句 ① Why can we stand on the ground? ② We should build confidence in our learning. ③ I'm not sure I would agree with that. 1. 概念 情态动词本身有词义，表示特定的语气，但不能独立作谓语，只能和动词原形一起构成谓语。情态动词用在动词原形前，表示说话人对这一动作或状态的看法或主观设想。 2. 常见情态动词的用法 情态动词 用法 例句 can ①可以；能够（表能力） ②可能（表猜测） ③可以（表请求或允许） We can speak English now, but we couldn't two years ago. could ①可以；能够（can的过去式） ②可能（表猜测，可能性比can小） ③可以（表请求，比can委婉） Could you help me carry the box? may ①可以（表请求或允许） ②也许；可能（表猜测） May I ask you a question? might ①可以（表请求或允许，比may客气） ②也许；可能（表猜测，可能性比may小） This hat might belong to Helen. will ①将（表将来） ②愿（表意愿、决心） ③总是；惯于（表经常性动作） ④请……好吗（表请求） He said he would come to my birthday party. would ①将（will的过去式） ②过去常常（表过去习惯性动作） ③可以（表请求，语气比will委婉） Would you like some tea? shall ①将（用于第一人称） ②表示提议（用于第一人称） Shall we go to the park tomorrow? should ①应该（表义务、建议、劝告） ②应（表推测） You should help your mum do housework. must ①必须（表责任、义务） ②一定（表猜测） ③mustn't 意为“禁止；不准；不允许” He must obey the school rules. 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