期中复习Unit 1～Unit 3 课件2025-2026学年高中英语外研版必修第三册

期中复习Unit 1~Unit 3 复习 1 知识导航 2 语法突破 3 语法专练 高中英语外研版必修第三册 知识导航 Unit 1 -ed as adverbial 过去分词作状语 Unit 2 -ed as attributive 过去分词作定语 让我们一起来复习一下这三个单元的语法吧！ Unit 3 Present perfect passive 现在完成时的被动语态 过去分词做状语时，表示动作是主语动作的一部分,与谓语表示的动作或状态是同时或几乎同时发生的,有时先于谓语动词的动作发生。 其逻辑主语通常是句子的主语。 过去分词与主语之间是逻辑上的动宾关系。 语法突破 Unit 1过去分词作状语 Disappointed by his behaviour, I said all this to my best friend. Embarrassed and ashamed, I can't concentrate on anything. 2. 过去分词作状语的类型 过去分词（短语）作状语时，可以表示时间、条件、原因、让步、方式、伴随状况。过去分词作方式状语和伴随状语时可以变成并列分词，作其他状语时可以变成相应的状语从句。 1）Discussed many times, the problems were settled at last. 时间状语 =After they were discussed many times, the problems were settled at last. 2） Laughed at by many people, he continued his study. 让步状语 =Although he was laughed at by many people, he continued his study. 3）Greatly touched by his words, she was full of tears. 原因状语 =Because she was greatly touched by his words, she was full of tears. 4）Given ten minutes, we will finish the work perfectly. 条件状语 =If we are given ten minutes, we will finish the work perfectly. 语法突破 Unit 1过去分词作状语 5）Dressed in white, she looks more beautiful. 方式状语 =She is dressed in white and looks more beautiful. 6）The teacher came into the room, followed by two students. 伴随状语 =The teacher came into the room, and he was followed by two students. 3. 过去分词作状语的位置 过去分词作条件、原因以及时间状语，通常放在句首；作伴随状语通常放在句末；作方式状语或让步状语放在句末或句首均可。 语法突破 Unit 1过去分词作状语 4. 过去分词作状语的注意事项 A 过去分词作时间、条件、让步等状语时可在前面加上连词when, till, until, once, if, unless, though, although, even if, even though, as, than等，相当于一个状语从句的省略。 1）Even if invited (=Even if I am invited), I will not take part in the party. 2) When offered (=When one is offered) help, one often says “Thank you” or “It is knid of you”. 3) He never speaks first unless asked (=unless he is asked). 语法突破 Unit 1过去分词作状语 B 有些形容词化的过去分词作状语时不强调被动而重在描述主语的状态。 常见的有:lost(迷失的),seated(坐下来的),hidden(隐藏的)lost/absorbed in(沉浸于),dressed in(穿着),tired of(厌烦)，interested, disappointed, Moved, faced up with, located/situated, stationed, embarrassed, seated, touched, satisfied, frightened, terrified, excited, surprised, amazed, astonished, delighted, amused, confused, puzzled等。 1. Absorbed/Lost in deep thought, he didn’t hear the sound. 2. Faced up with death, the hero remained calm. 3. The little boy returned home, tired and hungry. 语法突破 Unit 1过去分词作状语 读一读，记一记，写一写吧！ C 现在分词和过去分词作状语的区别 语法突破 Unit 1过去分词作状语 逻辑关系 时间概念 过去分词 过去分词与主语之间是逻辑上的动宾关系。 与谓语表示的动作或状态是同时或几乎同时发生的，有时先于谓语动词的动作发生。 现在分词 现在分词与主语之间是逻辑上的主谓关系。 doing形式谓语表示的动作或状态是同时或几乎同时发生，having done表示的动作发生在谓语动词之前。 一、过去分词作定语的位置 ①The polluted water was to blame for the spread of the disease. 被污染的水造成了这种疾病的传播。 ②The recovered animals will be released soon. 痊愈的动物会很快被放走。 ③There were a couple of seats left at the back. 后面还剩几个座位。 语法突破 Unit 2 过去分词作定语 大声读一读吧！ ④He is one of those invited. 他是那些被邀请的人中的一员。 ⑤Is there anything unsolved? 还有什么没解决的吗? ⑥The concert (which was) given by their friends was a success. 他们的朋友举办的音乐会取得了成功。 ⑦The meeting (which was) held yesterday was of great importance. 昨天举行的会议很重要。 语法突破 Unit 2 过去分词作定语 1. 单个的过去分词作定语常置于其所修饰的名词之前，此时表示被修饰名词的特征。  2. 有些过去分词表示特定含义时，单独作定语要放在所修饰的名词之后。  3. 如果被修饰的词是指示代词those或something, everything, anything, nothing, nobody等不定代词时，单个的过去分词作定语要放在这些词的后面。  4. 过去分词短语作定语一般放在所修饰的名词之后，其意义相当于一个定语从句。  5. 过去分词短语有时也可以用作非限制性定语从句，前后常有逗号。  语法突破 Unit 2 过去分词作定语 二、过去分词作定语的意义 1. 过去分词作定语相当于形容词，其逻辑主语就是它所修饰的名词。  2. 及物动词的过去分词作定语既表示被动又表示完成。  3. 不及物动词的过去分词作定语只表示完成不表示被动。  4. 某些动词的过去分词已经用成了形容词，表示人物的心理感受或感情变化。  语法突破 Unit 2 过去分词作定语 三、过去分词与现在分词作定语的区别 1. 及物动词的过去分词作定语表示被动或已经完成的动作，其中过去分词的动作与所修饰的名词是逻辑上的动宾关系；不及物动词的过去分词作定语只表示动作完成。  2. 现在分词作定语表示所处的状态或正在进行的动作，现在分词所表示的动作与所修饰的名词是逻辑上的主谓关系。  3. 完全形容词化的过去分词主要说明人自身的感受，有“感到……的”之意；完全形容词化的现在分词主要说明给人的感受，有“令人……的”之意。  语法突破 Unit 2 过去分词作定语 四、过去分词、现在分词的被动式与动词不定式的被动式作定语的区别 语法突破 Unit 2 过去分词作定语 分类 形式 语态意义 时态意义 过去分词 done 被动 已完成 现在分词的被动式 being done 被动 正在进行 不定式的被动式 to be done 被动 尚未发生 主动语态表示主语为动作的执行者,被动语态表示主语为动作的承受者。 现在完成时的被动语态强调过去的动作对现在造成的影响或结果且主语为动作的承受者，表示“……已经被……” 构成：主语+have/has+been+done（动词过去分词） 语法突破 Unit 3现在完成时的被动语态 “in the past/last + 时间段”是常见的现在完成时信号词哦！ 语法突破 句式 结构 肯定句 主语+have/has been done(十其他) 否定句 主语+have/has not been done(十其他) 一般疑问句 Have/Has十主语+been done(十其他)? 特殊疑问句 特殊疑问词+have/has+主语+been done(十其他)? Unit 3现在完成时的被动语态 与一般过去时被动语态的区别 语法突破 语法 形式 意义 关系 一般过去时被动语态 be done 表示被动意义 表示一个被动的动作发生在过去，其结果对现在没有影响。 现在完成时的被动语态 have/has been done 表示被动意义 动作或状态尽管发生在过去，强调说明该动作或状态对现在造成的影响或结果。 Unit 3现在完成时的被动语态 语法专练 一、单句语法填空 1. The fish cooked(cook) in a special way last night tasted so delicious.  2. There were seven people killed in the accident, four children included(include).  3. The car belonging(belong) to me was sold last year.  4. The needle treatment dating(date) back to the ancient times has cured many diseases.  5. She looked at the city being attacked(attack) by the enemy. 6. In the last few years, many high - speed rail systems have been built (build) in China. 7. Despite the previous rounds of talks, no agreement has been reached (reach) so far by the two sides. 前面的知识点都学会了吗？我们一起来练练看! 18 语法专练 一、单句语法填空 8.Alarmed (alarm) by the patient’s sudden drop in blood pressure during the examination, the doctor immediately ordered further tests. 9.Convinced ​​​​​​​(convince) the Belt and Road Initiative will benefit China’s economy, we are optimistic about the future of the country. 10.Bathed (bathe) in moonlight, we jumped and cheered with joy. 11.When asked​​​​​​​ (ask) for his views about his teaching job, Philip said he found it very interesting and rewarding. 5.Struck (strike) by the beautiful scenery, he decided to stay another day.   19 再见 $