内容正文:
ENGLISH-初三全一册资料(人教版)
Chapter1by+动名词的用法
考频分析
by+动名词是中考英语语法的重要考点,考频占语法总量的5%左右,主要分布在单项选择(1-2题)、语
法填空(1题)、阅读理解(间接考察,影响对被动语态或方式状语的理解)。在语法填空中,通过语境判
断动作的执行者或方式时,by+动名词的正确运用是解题关键;单项选择常结合被动语态考查其搭配。
老查内容
中考对"by+动名词”结构的考察聚焦三大维度,覆盖基础用法与语境应用:
·功能辨析:介词by后接动名词作方式状语、手段状语的核心功能;与by后接名词代词的用法差异;
·动名词形式:规则动词与不规则动词变动名词的拼写规则(如去e加-ig、双写未尾辅音字母等):
·语境应用:交通方式(by walking)、通讯方式(by calling)、抽象手段(by working hard)等场景中的
固定搭配与语义匹配。
精讲精练
知识点一:y+动名词的用法
·基本含义及功能(表方式、手段)
-核心用法:介词by后接动名词(动词-ig形式),表示“通过…方式/手段”“借助…方法”,说明
动作的实现途径
-例句:口I learn English by listening to tapes..(通过听磁带学英语,表学习方式)口He improves his
writing by keeping a diary.(通过写日记提高写作,表提升手段)
·常见语境及搭配
-日常行为场景:by reading books(通过读书)、by practicing every day(通过每天练习)→例句:She
relaxes by watching movies on weekends
-技能学习场景:by speaking English with others(通过和别人说英语)、by taking notes(通过做笔记)
→例句:We can master grammar by doing exercises,
·句式结构特点
一在句中位置:通常位于句末,作方式状语,修饰谓语动词
-动名词形式要求:by后的动词必须变为动名词,即原形加-ing,不随主语或时态变化→错误:He
studies by listen to music..(listen应改为listening)→正t确:He studies by listening to music.
【即学即练】
1.【基本用法】He improves his English by_(read)English novels every day.
2.【句式结构】by+动名词在句中通常作什么成分?
A.主语
B.宾语
C.方式状语
D.表语
3.【形式判断】下列句子中语法正确的是?
A.She learn by write stories.
B.She learns by write stories.
C.She learns by writing stories.
D.She learn by writing stories.
4.【语境应用】翻译:他通过每天练习弹钢琴提高技艺。(He improves his skills by_the piano every day.)
5.【错误辨析】改正错误句子:We relax by watch TV in the evening.→
初三|英语引人教版
ENGLISH-初三全一册资料(人教版)
知识点二:by+动名词的否定与疑问结构
·否定结构(表“通过不…的方式”)
1.结构形式
-by+not+动名词(not置于动名词前,表示否定方式)
2.例句
-☐He avoids mistakes by not rushing.(通过不匆忙行事避免错误)
-口We protect the environment by not using plastic bags.(通过不使用塑料袋保护环境)
·疑问句中的用法(特殊疑问句与一般疑问句)》
1.特殊疑问句
一结构:How+助动词情态动词+主语+谓语+by+动名词?
一例句:
-口How do you improve pronunciation by repeating sentences?(如何通过重复句子改善发音?)
-口How did she pass the exam by studying hard?(她如何通过努力学习通过考试?)
2.一般疑问句
-结构:助动词/情态动词+主语+谓语+by+动名词?
一例句:
-口Do they learn culture by watching documentaries?(他们通过看纪录片学习文化O吗?)
-口Can you save time by taking a shortcut'?(你能通过走捷径节省时间吗?)
·被动语态搭配(强调动作承受者)
1.结构形式
一by+动名词+被动语态(动名词表示方式,被动语态表示主语是动作承受者)
2.例句
-·The problem was solved by using a new method.(通过使用新方法解决了问题)
-口English is mastered by practicing consistently.(通过持续练习掌握英语)
·与情态动词连用(表推测或可能性)
1.常见组合
-can/may/must+be+过去分词+by+动名词
2.例句
-口Progress can be made by setting clear goals.(通过设定清晰目标可能取得进步)
-口The door may be locked by turning the key clockwise.(通过顺时针转动钥匙可能锁上门)
知识点三:by+动名词的易错点与拓展用法
·易混淆结构辨析(中考高频易错)
1.基础用法对比(中考必考):
-口by+doing(通过做…)→例句:e save time by taking a subway.(通过乘地铁节省时间)
-口for+doing(为了做…)一→例句:This tool is for opening cans.(这个工具是用来开罐头的)
-口through+doing(通过…过程)→例句:He succeeded through working hard.(通过努力工
作获得成功)
-·with+名词(用…工具)→例句:She writes with a pen.(她用钢笔写字)
2.特殊否定形式(中考难点):
-口not by.but by..(不是通过…而是通过…)一→例句:Ne learn not by reading but by practicing.
(我们不是通过阅读而是通过实践学习)
-口by+not doing(通过不做…)→例句:Stay healthy by not eating junk food.(通过不吃垃圾
食品保持健康)
·中考常见固定搭配
1.学习类场景搭配(中考必背):
-口by memorizing words(通过背单词)→例句:He enlarges vocabulary by memorizing20 words
daily.
-口by doing exercises(通过做练习)→例句:Improve math by doing exercises regularly..
-口by reading aloud(通过大声朗读),例句:Practice pronunciation by reading aloud every morn-
ing.
-口by watching videos(通过看视频)→例句:Learn science by watching educational videos,
2.生活类场景搭配(中考常考):
-口by saving money(通过省钱)→例句:They buy a new computer by saving money for months.
-口by taking buses(通过乘公交)→例句:Reduce pollution by taking buses instead of driving
-口by recycling waste(通过回收垃圾)→例句:Protect environment by recycling waste paper..
·特殊句式结构
1.强调句结构(中考提升):
-口It is by..that.(正是通过…才…)→例句:It is by practicing that we make progress..(正是通
过练习我们才取得进步)
-口What.by.(通过什么方式…)→例句:hat do you learn by watching English movies?
2.并列结构(中考易错)
-口by doing..and doing..(通过做…和做…)→例句:Learn English by listening to tapes and
speaking with foreigners
-☐by doing..or doing.…(通过做…或做…)→例句:Relax by reading books or watching TV.
·中考真题考点归纳
1.时态配合考点(近三年真题):
-口现在时:She learns cooking by watching videos.(通过看视频学习烹饪)
-口过去时:He passed the test by studying hard..(通过努力学习通过考试)
-口将来时:Ve will succeed by keeping trying.(通过不断尝试将会成功)
2.语态配合考点(中考重点):
-口主动语态:They make progress by practicing daily..(通过每日练习取得进步)
-口被动语态:The room is cleaned by using this tool.(通过使用这个工具打扫房间)
初三|英语|人教版
ENGLISH-初三全一册资料(人教版)
考法一:基本结构及动名词形式
·核心:识别by后动词需用动名词形式(动词原形加-ig),判断语法正确性
·真题1(语法填空):
We can improve listening skills by_(listen)to English songs every day.
-答案:listening解析:by后接动名词作方式状语,listen的动名词形式为listening。
·真题2(单项选择):
She relaxes on weekends by-movies.
A.watch
B.watches
C.watching
D.watched
-答案:C解析:by后需接动名词形式,watch的动名词为watching。
考法二:否定与疑问结构辨析
·核心:掌握by+动名词的否定形式(by+not+动名词)及疑问句结构(特殊疑问句:How+助动词情
态动词+主语+谓语+by+动名词?;一般疑问句:助动词/情态动词+主语+谓语+by+动名词?)
·真题1(语法填空):
-We can protect the earth by_(not use)disposable products.
一答案:not using解析:by后接否定动名词时,需用“not+动名词”结构,use的动名词形式为using,
故填not using。
·真题2(单项选择):
-_they improve their writing by keeping diaries?
A.Do
B.Does
C.Did
D.Will
-答案:A解析:句中“improve?”为原形,且无过去时间标志,判断为一般现在时的一般疑问句,主语
they为复数,助动词用Do。
考法三:by+动名词的复合应用
·核心:根据语境判断动作实现方式,掌握by后接动名词表手段的用法,并能辨析易混结构
·真题1(单项选择):
--How do you usually improve your English?
--reading English newspapers every day.
A.With
B.By
C.For
D.Through
-答案:B解析:答句完整形式为"I improve my English by reading.”,表”通过..方式”用by+doing
结构;with后接工具,for表目的,through强调过程,均不符合”每日读报”的手段表达。
·真题2(语法填空):
The environment can be protected by_(reduce)plastic waste.We should take action now.
-答案:reducing解析:介词by后必须接动名词形式,表示”通过减少塑料垃圾”的方式;被动语态"can
be protected”强调环境保护的受动性,与by doing构成完整的方式状语结构。
初三|英语|人教版
ENGLISH初三全一册资料(人教版)
真题演练
演练一:单项选择(共10题)
1.He learns math byproblems every day.
A.solve
B.solves
C.solving
D.solved
2.How do you improve spoken English by_with others?
A.practice
B.practicing
C.practiced
D.to practice
3._they study history by watching documentaries?
A.Do
B.Does
C.Did
D.Will
4.We can save water by_the tap when brushing teeth
A.not turn
B.not turning
C.not to turn
D.not turned
5.The room was cleaned by_a new cleaning tool.
A.use
B.uses
C.using
D.used
6.-do you learn new words?
7.-By reading English stories.
A.What
B.How
C.Why
D.When
8.She relaxes by_music or watching movies.
A.listen to
B.listening to
C.listened to
D.to listen to
9.Progress_by working hard every day.
A.makes
B.made
C.is made
D.was made
10.Do they improve writing skills by_diaries?
A.keep
B.keeps
C.keeping
D.kept
11.It is_reading aloud that we practice pronunciation.
A.by
B.with
C.for
D.through
演练二:填空试题(共10题)
1.We improve pronunciation by_(repeat)sentences.
2.How did you pass the exam by_(study)hard?
3.They protect animals by_(not hunt)wild creatures.
4.Can you save time by _(take)the subway?
5.The problem was solved by_(use)a computer program.
6.Do you learn culture by_(watch)traditional films?
7.She learns cooking by_(follow)online recipes
8.We stay healthy by_(exercise)regularly and_(eat)vegetables.
9.How do you memorize words by_(write)them down?
10.The door was locked by_(turn)the key twice
演练三:语法填空(共10空)
Many students want to improve their English quickly.Here are some useful ways:
First,listen to English songs daily.You can learn new words by_(sing)along with the music.Second,
practice speaking by_(talk)to your classmates in English.Don't be afraid of mistakes-you learn by
(make)them!
For reading,try simple stories.You can understand the main ideas by_(read)the first and last para-
graphs.Writing skills improve by__(keep)a diary every day.Even short sentences help!
How do you learn grammar?Some students study rules by_(do)exercises.Others watch videos and
learn by_(see)examples.Remember,grammar_(master)by using it,not just memorizing.
Finally,help the environment while learning!You can reduce waste by_(use)digital notes instead of
paper.And you can practice English by_(teach)others-this way,you both improve!
答案
演练一:单项选择
1.C2.B3.A4.B5.C6.B7.B8.C9.C10.A
演练二:填空试题
1.repeating 2.studying 3.not hunting 4.taking 5.using
6.watching 7.following 8.exercising;eating 9.writing 10.turning
演练三:语法填空
1.singing 2.talking 3.making 4.reading 5.keeping
6.doing 7.seeing 8.is mastered 9.using 10.teaching
初三|英语丨人教版