【新教材】人教版（2024）七年级上册英语Unit 4 语法讲义（含练习题及答案）

第第页【新教材】人教版（2024）七年级上册英语Unit4语法讲义Unit4·连词and/but/because语法精讲·随堂练·综合检测学习目标目标一：理解并归纳连词and、but、because的表意功能和用法。目标二：尝试使用连词and、but、because连接句子，使句子逻辑顺畅。目标三：在语境中合理使用连词and、but、because进行表达，做到自然得体。一连词的功能与用法1.什么是连词？连词是连接单词、短语或句子的词。本单元主要学习三个连词：and、but、because。2.三个连词的对比连词功能含义例句and并列/递进—表示“补充另一个信息”“和、而且、并且”Ihaveartandgeographytoday.

Englishisimportant,andmyEnglishteacherisreallynice.but转折—表示“两个不同的观点或情况”“但是”Biologyisdifficultbutimportant.

Historyismyfavouritesubject,butmysisterdoesn'tlikeit.because因果—表示“给出理由或原因”“因为”IlikeChinesebecauseit'sfun.

Hedoesn'tlikemathsbecauseit'sboringtohim.三个连词的功能总结and→补充另一个信息（并列/递进）but→表示转折（两个不同的观点）because→给出理由（表示原因）3.教材3a精讲观察句子，归纳用法：Ihaveartandgeographytoday.→and连接两个并列的名词（art/geography）Englishisimportant,andmyEnglishteacherisreallynice.→and连接两个句子，补充另一个信息Biologyisdifficultbutimportant.→but连接两个形容词，表示转折（difficult↔important）Historyismyfavouritesubject,butmysisterdoesn'tlikeit.→but连接两个句子，表示转折IlikeChinesebecauseit'sfun.→because连接两个句子，表示原因（喜欢的原因是有趣）Hedoesn'tlikemathsbecauseit'sboringtohim.→because连接两个句子，表示原因（不喜欢的原因是无聊）破解点：想补充信息→用and想表达转折→用but想解释原因→用because练习一·选词填空（and/but/because）1.IlikeEnglish_______________it'sveryinteresting.2.Shehasmaths_______________sciencetoday.3.Mysisterlikesmusic,_______________Idon't.4.Heisgoodatsports_______________hepracticeseveryday.5.Thisbookisshort_______________meaningful.（有意义的）6.Iwanttogotothelibrary,_______________itisclosednow.7.Wehaveart_______________musiconFriday.8.Shedoesn'tlikemaths_______________it'stoodifficult.二教材3b精讲·句子配对将两部分匹配成完整句子：Ihaveabicycle,butIoftenwalktoschool.→我有自行车，但我经常走路去学校。（转折）IliketolearnaboutITbecauseit'sfuntolearntousecomputers.→我喜欢学信息技术，因为学用电脑很有趣。（原因）Shelikestolistentomusicanddrawpictures.→她喜欢听音乐和画画。（并列）HeisgoodatEnglish,andheoftenhelpsmewithmyEnglish.→他擅长英语，而且他经常帮我学英语。（递进）MyfavouritesubjectisgeographybecauseIliketravelling.→我最喜欢的科目是地理，因为我喜欢旅行。（原因）Idon'tlikedrawing,butIlikemyartteacheralot.→我不喜欢画画，但我很喜欢我的美术老师。（转折）破解点：先看前后两句的逻辑关系：并列/递进→and；转折→but；因果→because注意标点符号：如果连词放在两个完整句子中间，前面通常有逗号。练习二·用and/but/because连接句子1.IlikeEnglish.MyEnglishteacherisnice.

→________________________________________________2.Sheisgoodatmaths.Shestudiesveryhard.

→________________________________________________3.Iwanttogotothepark.Itisraining.

→________________________________________________4.Helikesbiology.It'sveryinteresting.

→________________________________________________5.Mysisterlikesmusic.Shelikesarttoo.

→________________________________________________三教材3c精讲·短文填空用and/but/because完成短文：IloveThursdayafternoonsbecausewehaveafunclassthen.It'sbiologyclass,andit'sexciting!MissBakeristheteacher,andsheworkshardtomaketheclassinteresting.I'mnotgoodatscience,butIliketheclassverymuch.Welearnaboutdifferentplantsandanimals.Sometimesit'sdifficulttorememberalltheinformation,butMissBakerhelpsme.She'smyfavouriteteacherbecauseshemakeseveryoneintheclassfeelspecial.破解点：“喜欢星期四下午因为有有趣的课”→because“生物课，而且很令人兴奋”→and（递进）“不擅长科学，但是很喜欢这门课”→but（转折）“植物和动物”→and（并列）“有时很难，但是贝克老师帮助我”→but（转折）“最喜欢的老师因为她让每个人都感到特别”→because（原因）练习三·用and/but/because完成短文Ilikemyschoolday.Ihavemanysubjects.IlikeChinese

_____

it'sveryinteresting.IalsolikePE,

_____

Icanplayfootballwithmyfriends.Mathsisalittledifficult,

_____

Istudyhard.MyfavouritesubjectisEnglish

_____

myEnglishteacherisverykind.WehaveEnglish

_____

Chineseeveryday.Idon'tlikescience,

_____

Ithinkit'sboring.四易错点与重难点易错点一：because和so不能同时使用。❌BecauseIlikeEnglish,soIstudyhard.

✅IlikeEnglish,soIstudyhard.（用so）

✅BecauseIlikeEnglish,Istudyhard.（用because）易错点二：but和although不能同时使用。❌Althoughsheistired,butshekeepsworking.

✅Sheistired,butshekeepsworking.（用but）

✅Althoughsheistired,shekeepsworking.（用although）易错点三：and连接并列成分时，注意形式一致。✅Shelikesreadingandwriting.（两个动名词）

✅Shelikestoreadandtowrite.（两个不定式）易错点四：because引导原因状语从句，不能单独成句。❌Becauseit'sfun.（不完整）

✅Ilikeitbecauseit'sfun.（完整）易错点五：标点符号：连词连接两个完整句子时，前面加逗号。✅IlikeEnglish,butIdon'tlikemaths.

✅IlikeEnglishandChinese.（连接两个名词，不加逗号）练习四·改错题BecauseIlikeEnglish,soIstudyhard.→________________________________________________2.Althoughsheistired,butshekeepsworking.→________________________________________________3.Ilikereadingandtowrite.→________________________________________________4.Hedoesn'tlikemaths.Becauseit'sboring.→________________________________________________5.IlikeEnglishbutIdon'tlikemaths.→________________________________________________（加标点）五语法图表总结（必背）三个连词的功能对比连词功能中文含义例句and并列/递进和、而且、并且Ihaveartandgeography.

Sheiskind,andshehelpsothers.but转折但是Biologyisdifficultbutimportant.

Ilikeit,butmysisterdoesn't.because因果（原因）因为IlikeChinesebecauseit'sfun.

Heishappybecausehegotagoodgrade.连词使用口诀and并列递进加信息，

but转折前后不一样，

because解释原因要牢记，

三个连词用途广，逻辑顺畅靠它们！六综合检测（全题型）一、单项选择题1.IlikeEnglish_______________it'sveryinteresting.A.andB.butC.becauseD.so2.Shehasart_______________musiconFriday.A.andB.butC.becauseD.or3.Ilikemaths,_______________mysisterdoesn'tlikeit.A.andB.butC.becauseD.so4.Hedoesn'tlikescience_______________it'sboringtohim.A.andB.butC.becauseD.or5.Englishisimportant,_______________myEnglishteacherisreallynice.A.andB.butC.becauseD.so6.Biologyisdifficult_______________important.A.andB.butC.becauseD.or7.Shelikestolistentomusic_______________drawpictures.A.andB.butC.becauseD.so8.Idon'tlikedrawing,_______________Ilikemyartteacheralot.A.andB.butC.becauseD.so9.HeisgoodatEnglish,_______________heoftenhelpsme.A.andB.butC.becauseD.or10.Myfavouritesubjectisgeography_______________Iliketravelling.A.andB.butC.becauseD.so二、用and/but/because填空1.IlikeEnglish_______________it'sveryfun.2.Shehasmaths_______________sciencetoday.3.Heisgoodatsports,_______________hedoesn'tlikerunning.4.Iwanttogotothepark,_______________itisraining.5.Mysisterlikesmusic_______________dancing.6.Heishappy_______________hegotagoodgrade.7.Thisbookisshort_______________meaningful.8.Idon'tlikescience,_______________Ilikemyscienceteacher.三、连词成句1.English/I/because/like/it's/interesting/very

→________________________________________________2.has/art/and/music/she/today

→________________________________________________3.difficult/biology/important/is/but

→________________________________________________4.doesn't/my/like/sister/maths/it/because/boring/is

→________________________________________________5.teacher/nice/is/my/English/and/really/is/important/English

→________________________________________________四、句型转换1.IlikeChinesebecauseit'sfun.（对划线部分提问）

________________________________________________2.Shehasartandmusictoday.（改为否定句）

________________________________________________3.Historyismyfavouritesubject,butmysisterdoesn'tlikeit.（用although改写）

________________________________________________4.Hedoesn'tlikemathsbecauseit'sboring.（对划线部分提问）

________________________________________________5.IlikeEnglish.MyEnglishteacherisreallynice.（用and连接）

________________________________________________五、短文填空MynameisLiMing.Iamastudent.Ihavemanysubjectsatschool.IlikeChinese

_____

it'sveryinteresting.IalsolikePE,

_____

Icanplaybasketballwithmyfriends.Mathsisalittledifficult,

_____Iworkhardatit.MyfavouritesubjectisEnglish

_____

myEnglishteacherisverykind.WehaveEnglish

_____

Chineseeveryday.Idon'tlikescience,

_____

Ithinkit'sboring.Butmyscienceteacherisverynice,

_____

Istilltrymybestinscienceclass.六、改错题1.BecauseIlikeEnglish,soIstudyhard.→________________________________________________2.Althoughsheistired,butshekeepsworking.→________________________________________________3.Ilikereadingandtowrite.→________________________________________________4.Hedoesn'tlikemaths.Becauseit'sboring.→________________________________________________5.IlikeEnglishbutIdon'tlikemaths.→________________________________________________（加标点）6.SheisgoodatEnglish,becauseshehelpsme.→________________________________________________（改正逻辑关系）七、选词填空从方框中选择正确的连词填空。and/but/becauseIloveFridays

_____

wehaveartclassthen.Artismyfavouritesubject.Ilikedrawing

_____

painting.I'mnotverygoodatit,

_____

Ienjoyitalot.Myartteacherisverykind

_____

shealwaysencouragesus.Ialsolikemusicclass,

_____

Idon'tlikescienceclass.Scienceisdifficult

_____

Istilltrymybest.七课后自我检测清单我能说出and、but、because三个连词的表意功能。我能正确使用and连接并列或递进的信息。我能正确使用but表示转折关系。我能正确使用because表示原因。我能区分because和so，并能避免同时使用。我能用连词使句子逻辑更加顺畅。参考答案练习一：1.because2.and3.but4.because5.but6.but7.and8.because练习二：1.IlikeEnglish,andmyEnglishteacherisnice.2.Sheisgoodatmathsbecauseshestudiesveryhard.3.Iwanttogotothepark,butitisraining.4.Helikesbiologybecauseit'sveryinteresting.5.Mysisterlikesmusicandart.练习三：①because②because③but④because⑤and⑥because练习四：1.IlikeEnglish,soIstudyhard./BecauseIlikeEnglish,Istudyhard.2.Althoughsheistired,shekeepsworking./Sheistired,butshekeepsworking.3.Ilikereadingandwriting.4.Hedoesn'tlikemathsbecauseit'sboring.5.IlikeEnglish,butIdon'tlikemaths.综合检测·一：1.C2.A3.B4.C5.A6.B7.A8.B9.A10.C综合