英语Unit 1 Same or Different?Section A授课课件ppt

这是一份英语Unit 1 Same or Different?Section A授课课件ppt，共30页。PPT课件主要包含了faster ，lazier ，better ，earlier ，funnier ，me→my，than→as，bigger ，better等内容，欢迎下载使用。
学习目标1. 掌握形容词、副词的基本定义及用法区别2. 熟练掌握原级（ ）的结构、易错点3. 牢记比较级的规则变化、不规则变化及单元易错点4. 掌握比较级的补充用法（a little/much修饰等）
语法基础：形容词（Adj.）和副词（Adv.）形容词：修饰名词或代词（如tall, utging, lazy）位置：通常放在名词前，或be动词/系动词（is, feel）后 副词：修饰动词、形容词（如fast, well, ludly）位置：通常放在动词后，或形容词前核心：本单元重点掌握两者的原级和比较级用法
原级比较——核心含义与标志 含义：表示“和……一样……”（肯定）或“不如……”（否定） 强调：两者程度相同，或差距较小，不突出优劣 核心标志词：（肯定）、nt （否定） 注意：比较对象必须一致（人比人、物比物，不能混淆）
原级比较——基本结构（肯定式）1. 形容词原级肯定结构：主语 + be + as + 原级 + as + 比较对象 例句：My best friend is as utging as me. 2. 副词原级肯定结构：主语 + 实义动词 + as + 原级 + as + 比较对象 例句：She sings as well as her sister. 3. 关键：as和as中间，必须用形容词或副词的原级
原级比较——基本结构（否定式）1. 形容词原级否定结构：主语 + be + nt as/s + 原级 + as + 比较对象 例句：This music festival is nt as interesting as last year’s. 2. 副词原级否定结构：主语 + 实义动词 + nt as/s + 原级 + as + 比较对象 例句：I dn’t get up as early as my mther.（我起床没有我妈妈早）3. 易错：否定式中as和s可互换，nt不可遗漏
原级比较——高频易错点（必记）1. 错误：as taller as / as mre utging as 正确：as tall as / as utging as（中间用原级）2. 错误：He is as tall as her sister’s height. 正确：He is as tall as her sister.（比较对象一致）3. 错误：I am nt s tall than him. 正确：I am nt s tall as him.（否定不用than）4. 口诀：as间用原级，比较要同类，否定as/s换，nt不能忘
比较级比较——核心含义与标志1. 含义：表示“比……更……”，强调两者之间的程度差异2. 核心标志词：than（比），出现than必用比较级 重点：本单元核心难点，需重点掌握变化规则和句式 分类：形容词比较级（修饰名词）、副词比较级（修饰动词） 例句：He is taller than his brther.（他比他弟弟高）
比较级比较——基本结构1. 形容词比较级结构：主语 + be + 形容词比较级 + than + 比较对象 例句：Tm is taller than his friend.（汤姆比他的朋友高）2. 副词比较级结构：主语 + 实义动词 + 副词比较级 + than + 比较对象 例句：She runs faster than me.（她跑得比我快）3. 补充：than后可接人称代词宾格（me, him, her）或名词
比较级变化——规则变化（1）1. 一般情况：直接在词尾加-er 示例：tall→taller, fast→faster, early→earlier 例句：Lucy runs faster than Lily.（露西跑得比莉莉快）2. 以不发音e结尾：直接在词尾加-r 示例：late→later, nice→nicer（拓展） 例句：She arrives later than me.（她到得比我晚）
比较级变化——规则变化（2）1. 辅+元+辅结尾（重读闭音节）：双写尾辅音加-er 示例：big→bigger, ht→htter（拓展） 例句：My bag is bigger than yurs.（我的包比你的大）2. 辅音+y结尾：变y为i，再加-er 示例：lazy→lazier, funny→funnier 例句：He is lazier than his brther.（他比他弟弟懒）
比较级变化——规则变化（3）1. 多音节词（3个及以上音节）：在词前加mre 示例：utging→mre utging, hard-wrking→mre hard-wrking 例句：Lucy is mre utging than Lily.（露西比莉莉外向）2. 补充：部分双音节词也加mre（如beautiful→mre beautiful）3. 易错：utging不能直接加-er，必须用mre修饰
比较级变化——单元易错点（重点）1. shy→shyer（不用mre shy，特殊双音节词） 例句：She is shyer than her deskmate.（她比她同桌害羞）2. lud（adj.）→luder；ludly（adv.）→mre ludly3. funny优先用funnier，不用mre funny4. early→earlier（不用mre early，属于一般变化）5. 牢记：这些易错点是单元考试高频考点
比较级变化——不规则变化
比较级变化——不规则变化 1. far→farther / further farther：侧重“距离更远” further：侧重“程度更深” 例句：My hme is farther frm schl than hers. 2. ld→lder / elder elder：仅修饰家人（elder sister/brther） lder：可用于人或物，表“年龄大/更旧” 例句：His elder sister is lder than him.
比较级补充用法 1. 程度副词修饰比较级：a little（一点）、much（得多）、even（甚至） 例句1：She is a little taller than me.（她比我高一点） 例句2：He wrks much harder than befre.（他比以前努力得多）2. 比较级省略：当比较对象明确时，可省略后面的动词 例句：She sings better than me.（省略I sing）3. 注意：very、t不能修饰比较级
原级vs比较级 核心辨析
辨析易错点——避免混淆（重点）1. 错误：He is mre tall than me. → 正确：He is taller than me.（单音节词直接加-er）2. 错误：She is as better as her sister. → 正确：She is as gd as her sister.（原级用原词）3. 错误：This bk is nt mre interesting than that ne.（否定不用）正确：This bk is nt as interesting as that ne.
专项练习1——词形转换（ 比较级）1. fast ____________ 2. lazy____________3. utging __________________ 4. gd____________5. early ____________ 6. funny____________7. hard-wrking__________________ 8. ludly____________
mre utging
mre hard-wrking
专项练习2——单项选择 1. My sister is ___________ than me. She likes talking with peple. A. shyer B.shy C. mre shy D. the shyer2. This stry is ___________ interesting than the last ne. A. much B. mre C. very D. as3. He plays the guitar ___________ his brther. They bth play well. A. as gd as B. as well as C. better than D. mre well than4. She gets up ___________ than me every mrning. A. early B. earlier C. mre early D. earliest
专项练习3——单项选择 1. — Is Lucy ___________ than Lily? — N, she isn’t. She is as lazy as Lily. A. lazy B. lazier C. mre lazy D. the laziest2. He runs ___________ than his deskmate. He is the fastest in ur class. A. fast B. faster C. mre fast D. fastest3. My best friend is ___________ hard-wrking than me. A. mre B. much C. little D. a little4. — D yu sing ______ than yur sister? — N, I sing as _________ as her. A. better; gd B. gd; better C. better; well D. well; better
专项练习4——句型转换 1. Tm is tall. Jim is taller.（用than合并） Jim is ___________ ___________ Tm.2. She sings well. Her sister sings well t.（用合并） She sings ___________ ___________ ___________ her sister.3. Lucy is utging. Lily is mre utging.（用nt 合并） Lucy is ___________ ___________ ___________ ___________ Lily.4. He gets up early. I get up earlier.（同义句） I get up ___________ ___________ him.
taller than
as well as
nt as utging as
earlier than
专项练习5——句型转换 1. My brther is lazy. My sister is lazier.（同义句） My brther is _________ _________ _________ _________my sister.2. She is a little shy. Her deskmate is very shy.（合并） Her deskmate is ___________ ___________ than her.3. This bk is bring. That bk is mre bring.（同义句） This bk is ________ ___________ ___________ ______than that ne.4. They are hard-wrking. We are as hard-wrking as them.（合并） We are ___________ ___________ ___________ them.
nt as lazy as
much shyer
nt as bring as
as hard-wrking as
专项练习6——补全句子 1. 我的朋友和我一样勤奋。 My friend is ___________ ___________ ___________ me.2. 莉莉比露西更有趣。 Lily is ___________ ___________ Lucy.3. 他弹钢琴比我好。 He plays the pian ___________ ___________ me.4. 我没有我的妈妈起床早。 I dn’t get up ___________ ___________ ___________ my mther.
as hard-wrking as
funnier than
better than
as early as
专项练习7——补全句子 1. 这次的活动比上次的更多。 There are ___________ ___________ than last time.2. 她比她的妹妹高一点。 She is ___________ ___________ ___________ than her sister.3. 我的同桌比我更认真。 My deskmate is ___________ ___________ than me.4. 他的英语比我的好得多。 His English is ___________ ___________ than mine.
mre activities
a little taller
mre serius
much better
专项练习8——单句改错 1. This is as taller as that ne. 改正：________________________________2. He is mre utging than me sister. 改正：________________________________3. She runs mre fast than her brther. 改正：________________________________4. I am nt s hard-wrking than my deskmate. 改正：________________________________5. His elder brther is mre ld than him. 改正：________________________________
taller→tall
mre fast→faster
mre ld→lder
专项练习9——情景对话 根据对话内容，用原级或比较级补全句子：1. — Hw is yur new schlbag? — It’s nice. It’s ___________ (big) than my ld ne.2. — Is yur English teacher utging? — Yes, she is. She is _______________ (utging) than my math teacher.3. — D yu get up early every day? — Yes, but my father gets up ___________ (early) than me.4. — Which is ___________ (gd), this bk r that bk? — This ne. It’s mre interesting.
核心知识点回顾（1）1. 原级核心：（肯定）、nt （否定），中间用原级2. 比较级核心：than为标志，掌握5类规则变化和6个不规则变化3. 易错点1：shy→shyer、early→earlier，不用mre修饰4. 易错点2：比较对象必须一致，否定原级不用 补充：a little/much/even可修饰比较级，very不可
核心知识点回顾（2）1. 形容词vs副词：形容词修饰名词，副词修饰动词/形容词2. 不规则变化必背：gd/well→better；bad/badly→wrse等3. far/ld的特殊变化：farther（距离）、elder（家人）4. 句型转换关键：原级与比较级的互换，牢记固定结构5. 做题技巧：先看标志词（, than），再判断用原级还是比较级