三单和不定冠词（课件）-2025-2026学年人教新起点版（2012）英语五年级上册

该小学英语课件聚焦动词第三人称单数形式和不定冠词a/an用法，通过"Play Time"游戏化抢答导入，先系统呈现三单变化规则（如work→works）、be动词口诀及助动词后用原形，再过渡到a/an的发音判断（辅音音素前用a，元音音素前用an）及反例辨析（如an hour, a European），构建词法到句法的学习支架。 其亮点在于结合互动抢答和情境填空练习，提升语言能力；通过反例对比（如hour/an与European/a）培养思维品质；游戏化设计激发学习能力。实例如三单形式"开麦抢答studies"、a/an填空"There is ____ pencil"，助力学生提升语言运用能力，为教师提供结构化互动素材，提高教学效率。

第三人称单数用于 一般现在时的用法 频率副词大小排列 0 10 20 30 40 50 60 70 80 90 100 40% 60% 100% 80% sometimes often usually always seldom 20% never 0% 频率副词常用于一般现在时 常见结构 1. 非第三人称单数主语+_______ 即我（们）/你（们）/第三人称复数： ______，______，______，______， my friends，the farmers… V原 I we you they I like sleeping very much. 2. 第三人称单数主语+__________ (动词 __________________形式) V-s/V-es 第三人称单数 He makes a card after class. 常见结构 Let’s learn: 第三人称单数用于一般现在时的句子时，动词要加s/es 情况 方法 示例 一般情况 +s run; get 以s、x、ch、sh、o结尾 直接+es finish；watch；pass；fix； go；do 以辅音字母+y结尾 变y为i+es study; fly;carry 特殊情况 不规则 have-has; do-does work → pass → study → go → play → wash → carry → stay → teach → fix → enjoy → read → worry → works passes studies goes plays washes carries stays teaches fixes enjoys reads worries Play Time 这里设置触发器，点击图片即可，如需修改，请直接移开图片，背面有文本框 goes Let's practice说出下列动词的三单形式 go 点击鼠标即可出现答案 visits Let's practice visit 开麦，抢答 studies Let's practice study 开麦，抢答 teaches Let's practice teach 开麦，抢答 reads Let's practice read 开麦，抢答 flies Let's practice fly 开麦，抢答 has Let's practice have 开麦，抢答 Be动词口诀 我用am，你用are， 单数is，复数are. 助动词do/does后的动词要用原形 Does she ______ to school by bus? A. goes B. go C. going They don't ______ English every day. A. study B. studies C. studying ______ he ______ basketball after school? A. Do; play B. Does; plays C. Does; play B A C THE ARCHER GIRL listens listen She ______ to music every evening. listened listens 1/12 teaching Our teacher ______ us English very well. teaches teach teaches 2/12 play plaies The children ______ games in the park. plays play 3/12 flying The little bird ______ in the tree happily. flies flys flies 4/12 enjoy The monkey ______ bananas every day. enjoys enjoies enjoys 5/12 running This dog ______ very fast. runs run runs 6/12 are ______ your teacher in the classroom? is does Is 7/12 is _______ he work in a supermarket? does do Does 8/12 are is _______ you writing a letter? do Are 9/12 are ______ they play basketball on sundays? do does Do 10/12 drinking My grandma dosen’t ______ tea drink drinks drink 10/12 has Dose he lunch at school? have having have 11/12 Good job 不定冠词a/an区别 a用于发音以辅音音素开头的字母或单词之前 an用于发音以元音音素开头的字母或单词之前。 a、an使用不能光看字母，要看发音 拼写以辅音字母开头，读音却以元音音素开头 拼写以元音字母开头，读音却以辅音音素开头 European /ˌjʊərəˈpiːən/（欧洲人；欧洲的） 拼写开头：元音字母 “E”（补充这类 “反例” 更易区分） 实际发音：开头是辅音音素 /j/ 正确搭配：a European（如：He is a European student. 他是一名欧洲学生。） 提示：这类词恰好与 “拼写辅音开头、读音元音开头” 相反，核心都是 “看发音不看字母”。 hour /ˈaʊə(r)/（小时） 拼写开头：辅音字母 “h” 实际发音：开头是元音音素 /aʊ/（“h” 不发音） 正确搭配：an hour（如：I spent an hour reading. 我花了一小时阅读。） FOOD & DRINKS COUNTABLE & UNCOUNTABLE NOUNS. A/AN-SOME-ANY MARKET a Jane Jeena _______ went to market and bought _________ watermelon. an Jane a MARKET a Jane an Jeena _________ went to market and bought _________ apple. Jeena an MARKET a Jane an Jeena ________ went to market and bought ________ artichoke（洋蓟）. Jeena an MARKET a Jane Jeena _______ went to market and bought _________ carrot. an Jane a MARKET ARTICLES the a an GREAT! There is ____ pencil under the chair NEXT Click on the right article a the an a GREAT! There is ____ apple in my schoolbag. NEXT an the a an GREAT! They have _____ house next to the beach. NEXT Click on the right article a the a an GREAT! My little brother is ____ good student. NEXT Click on the right article a the a an GREAT! The police officer is wearing ____ uniform. NEXT Click on the right article a the a an GREAT! They found ____ snake in the forest. NEXT Click on the right article a the an a GREAT! His grandfather was ____ honest man. NEXT an the an a GREAT! She bought ____ expensive bracelet. NEXT Click on the right article an the an a GREAT! That boy lives in ____ old house in London. NEXT Click on the right article an the an a GREAT! This is ____ easy exercise, isn’t it? NEXT Click on the right article an THANK YOU! $