Unit 2构词法-2025-2026学年高中英语必修一语法易错点精讲（外研版）

高中外研版 【寒假专版】 必修1语法精讲 寒假专版 构词法专项训练 寒假语法易错点精讲 学段：高中教材：外研版 年级：必修1 语法认知 高中外研版必修1Uit2构词法是通过词缀、转化、合成等方式构成新词的方法，帮助扩展词汇量 和理解词义。 易错点讲解 易错点一：前缀”un-”与”dis-”的混淆 讲解： ”un-”通常加在形容词前表示否定（如happy一unhappy):“dis”加在动词前表示”相反动作”（如 Iike→dislike)或名词前表示'缺失，（如honesty→dishonesty)。二者不可混淆使用。 例句： -正确：She was unhappy with the result.(un-+形容词happy) -错误：She was dishappy with the result, -正确：He dislikes playing football..(dis-+动词like) -错误：He unlikes playing football.. 真题再现 (2024北京西城期中，外研版)Tom felt一happy)because he failed the exam. A.unhappily B.unhappy C.dishappy D.happiness 答案：B 解析：”un-”加在形容词happy前表示否定，unhappy符合语境；”dis-”不与happy搭配，故排除C。 (2023山东济南月考，外研版)It's impolite to一(Iike)others behind their backs. A.unlike B.dislike C.mislike D.disliking 答案：B 高中外研版 【寒假专版】 必修1语法精讲 解析：”dis-”加在动词like前表示”不喜欢”，符合句意；unlike为介词，意为”不像”，故排除A。 易错点二：后缀”-ment”与”-ness”的误用 讲解： ”-ment'加在动词后构成名词，表示”动作或结果”（如develop一→development):”-ness”加在形容 词后构成名词，表示”性质或状态”（如kind→kindness)。 例句： -E:The development of technology has changed our life.(develop +-ment) -错误：The developness of technology.. -正确：Her kindness made everyone like her.(kind+-ness) -错误：Her kindment made. 真题再现 (2024天津和平区期末，外研版)The一(develop)of AI will bring new challenges.. A.develop B.development C.developing D.developness 答案：B 解析：动词develop加后缀'-ment'构成名词development,表示”发展'，符合语境。 (2023河北石家庄期中，外研版)We should learn from his_(kind)to others. A.kind B.kindly C.kindness D.kindment 答案：C 解析：形容词kind加后缀”-ness构成名词kindness,表示”善良”，符合句意。 易错点三：派生形容词时”-ing”与”-ed”的混淆 讲解： ”-ing”形容词修饰物，表示”令人…的”（如interesting令人感兴趣的）：”-ed形容词修饰人，表 示”感到…的”（如interested感到感兴趣的）。 例句： -正确：The movie is interesting.(修饰物movie) -错误：The movie is interested. -正确：She was interested in the book.(修饰人she) -错误：She was interesting in the book 真题再现 (2024辽宁沈阳月考，外研版)The story is so一that all the students are.一init, A.interesting;interested B.interested,interesting 高中外研版 【寒假专版】 必修1语法精讲 C.interesting;interesting D.interested;interested 答案：A 解析：第一空修饰物stoy,用interesting;第二空修饰人students,.用interested,be interested in 为固定搭配。 (2023重庆江北区期末，外研版)一Iow do you feel about the game?一It's一.I'mso一with it. A.bored;boring B.boring;bored C.boring;boring D.bored;bored 答案：B 解析：第一空修饰物game,用boring;第二空修饰人，用bored,be bored with表示，对…感到 厌倦”。 易错点四：合成词中名词与形容词的位置错误 讲解： 合成形容词中，名词通常用单数形式，且置于形容词前（如pat-time兼职的）：合成名词中，名词 可单可复，需注意固定搭配（如bookshop书店，passer--by路人）。 例句： -正确：a10-year-old boy(10-year-old为合成形容词，名词year用单数) -错误：al0-years-.old boy -正确：a shoe shop(合成名词，shoe用单数) -错误：a shoes shop 真题再现 (2024江苏南京期中，外研版)My mother found a一(pat-time/full-time)job in a supermarket.. A.part time B.parts-time C.part-time D.part-times 答案：C 解析：合成形容词pat-time中，名词pat用单数，且用连字符连接，修饰名词job。 (2023浙江杭州期末，外研版)e need to buy some books,so let's go to the一 A.books shop B.book shop C.book shops D.books shops 答案：B 解析：合成名词book shop(书店)中，名词book用单数形式，为固定搭配。 易错点综合演练 3 高中外研版 【寒假专版】 必修1语法精讲 综合演练 I,单项选择（直击易错点） l.She was._with the service and decided to complain.（易错点一) A.unhappily B.unhappy C.dishappy D.happiness 2.The rapid_of the Internet has changed communication.(易错点二) A.develop B.development C.developing D.developness 3.The children felt._after hearing the_news.(易错点三) A.excited;exciting B.exciting;excited C.excited,excited D.exciting;exciting 4.My sister found a-job in a cafe during summer vacation..(易错点四) A.part time B.parts-time C.part-time D.part-times Ⅱ.用所给词的适当形式填空（强化易错点区分） 1.He_(Iike)eating spicy food,.so he never orders Sichuan dishes.(易错点一) 2.The little girl's_kind)touched everyone around her..(易错点二) 3.This documentary is so._that many viewers feel.(interest)(易错点三) 4.We need a_(five-minute/five-ninutes)break after the meeting.(易错点四) Ⅱ.短文填空（综合运用四大易错点） 用括号内单词的适当形式填空，使短文完整通顺。 Jane is my classmate.She once told me a story about her weekend: "My parents were-(happy)with my math score,so they asked me to study harder.I felt-(disappoint) but decided to improve.On Sunday,I joined a_(two-hour/two-hours)study group.The teacher's_ (encourage)made me more confident.Now I believe I can make progress through-(hardworking)." V句型转换（聚焦易错构词法） 1.Tom likes pop music..(改为否定句，使用正确前缀) →Tom--pop music. 2.The invention of the computer was important..(用'-ment'后缀改写划线部分) -The computer's_was important. 3.The film made us feel excited.(用'-ing”形容词改写划线部分) →We watched an_film. 参考答案 4 高中外研版 【寒假专版】 必修1语法精讲 I单项选择 1.B2.B3.A4.C Ⅱ.用所给词的适当形式填空 1.dislikes 2.kindness 3.interesting;interested 4.five-minute III.短文填空 1.unhappy 2.disappointed 3.two-hour 4.encouragement 5.hard work V.句型转换 1.dislikes 2.invention 3.exciting