Welcome Unit Discovering Useful Structures 课件-2025-2026学年高中英语人教版第一册

Discovering Useful Structures Welcome Unit Learning Objectives 1.Identify Noun, Adjective, and Adverb Phrases in sentences. 2.Spot these phrases in texts to improve reading and use them in writing/speaking for vivid expressions. Lead-in Run very fast （跑得很快 ） “very fast” shows the speed of running. The beautiful flower in the garden （花园里美丽的花 ） It tells us the flower is beautiful and where it grows. A cute cat （可爱的猫 ） Cute" describes the cat's feature, so it modifies "cat". These word combinations with modifiers are called phrases—they make descriptions richer. Let's explore them today! 名词短语 = 名词 + 修饰词（冠词/形容词等） 形容词短语 = 形容词 + 修饰词（副词等） 副词短语 = 副词 + 修饰词（副词等） The first week was a little confusing. She thinks and speaks quite quickly. I found most of my classmates and teachers friendly and helpful. My favourite subject is English because my English teacher is really interesting. We had a lot of fun playing basketball on the playground yesterday. Read and Think 句子 1：The first week was a little confusing. 名词短语:The first week 分析：以名词 “week” 为中心词，“The first” 是修饰词（序数词 + 定冠词），共同构成名词短语。 功能：在句中作主语，表明句子描述的对象是 “第一周”。 形容词短语：a little confusing 分析：以形容词 “confusing” 为中心词，“a little” 是副词性修饰词，用于说明程度。 功能：在句中作表语，描述 “the first week” 的性质状态，即第一周的感觉是 “有点令人困惑的”。 句子 2：She thinks and speaks quite quickly. 副词短语：quite quickly 分析：以副词 “quickly” 为中心词，“quite” 是副词修饰词，用于加强程度。 功能：在句中修饰动词 “thinks and speaks”，说明动作进行的方式，即 “思考和说话的速度相当快”。 句子 3：I found most of my classmates and teachers friendly and helpful. 名词短语：most of my classmates and teachers 分析：以名词 “classmates” 和 “teachers” 为中心词，“most of my” 是限定性修饰词。 功能：在句中作宾语，是动词 “found” 的承受对象，表明 “我” 发现的对象是 “我的大多数同学和老师”。 形容词短语：friendly and helpful 分析：由两个并列的形容词 “friendly” 和 “helpful” 构成，无额外修饰词，属于简单形容词短语。 功能：在句中作宾语补足语，补充说明宾语 “most of my classmates and teachers” 的性质，即他们 “友好且乐于助人”。 句子 4：My favourite subject is English because my English teacher is really interesting. 名词短语：My favourite subject 分析：以名词 “subject” 为中心词，“My favourite” 是形容词性修饰词（物主代词 + 形容词）。 功能：作主语，表明句子描述的核心对象是 “我最喜欢的学科”。 名词短语：my English teacher 分析：以名词 “teacher” 为中心词，“my English” 是限定性修饰词（物主代词 + 名词作定语）。 功能：在原因状语从句中作主语，说明从句描述的对象是 “我的英语老师”。 形容词短语：really interesting 分析：以形容词 “interesting” 为中心词，“really” 是副词修饰词，用于强调程度。 功能：在原因状语从句中作表语，描述 “my English teacher” 的性质，即老师 “非常有趣”。 句子 5：We had a lot of fun playing basketball on the playground yesterday. 名词短语：a lot of fun 分析：以名词 “fun” 为中心词，“a lot of” 是数量限定性修饰词。 功能：在句中作宾语，是动词 “had” 的承受对象，表明 “我们拥有的是许多乐趣”。 副词短语：本句时间状语 “yesterday” 和地点状语 “on the playground” 为介词短语，非副词短语，故无副词短语。 Conclusions: 名词短语：核心是名词，前常接冠词、形容词、物主代词等修饰词，常作主语、宾语。 形容词短语：核心是形容词，前可接副词修饰程度，常作表语、定语或宾语补足语。 副词短语：核心是副词，前可接其他副词修饰程度，主要修饰动词、形容词或副词，说明动作的方式、程度等。 1. 用“△”标出下列句子中的名词短语： ① The old man walks in the park every morning. ② Her new dress looks very beautiful. ③ We bought three red apples in the shop. practice ① The old man△ walks in the park△ every morning. （解析：“The old man”中“man”是名词，“The old”修饰；“the park”中“park”是名词，“the”修饰） ② Her new dress△ looks very beautiful. ③ We bought three red apples△ in the shop△. 识别下列的短语类型 ① a very tall building （ ） ② runs extremely fast （ ） ③ feels quite cold （ ） ④ five lovely children （ ） ⑤ speaks English very well （ ） ① （名词短语） ② （副词短语） ③ （形容词短语） ④ （名词短语） ⑤ （副词短语） 3. 用指定的短语完善下列句子： ① She sings.（加入副词短语“very beautifully”） ② The cat is sleeping.（加入形容词短语“so cute”） ③ He has a book.（加入名词短语“an interesting story book”） ① She sings very beautifully. ② The cat is so cute when sleeping. ③ He has an interesting story book. 4. 改正错误： ① This is a book interesting very. → ____________________ ② He speaks English good very. → ____________________ ① This is a very interesting book.（形容词短语语序：修饰词+形容词+名词） ② He speaks English very well.（副词短语语序：修饰词+副词，注意“good”需变为副词“well”） THANKS $$