初中英语一般现在时专练

初中英语一般现在时专练一般现在时是英语语法体系中最基础也最常用的时态之一，它不仅用于描述习惯性的动作、客观事实和普遍真理，也是我们日常交流中表达当前状态的重要手段。对于初中生而言，熟练掌握一般现在时的用法，是构建英语语法知识框架的关键一步。本文将从基本概念入手，结合实例解析，并辅以针对性练习，帮助同学们扎实掌握这一时态的精髓。一、一般现在时的核心概念与用法一般现在时主要用于表示：1.经常性或习惯性的动作：这类动作通常有明确的时间状语提示，如often,usually,always,sometimes,everyday/week/month/year等。*Shegetsupearlyeverymorning.(她每天早上起得很早。)*TheyplaybasketballafterschoolonFridays.(他们每周五放学后打篮球。)2.客观事实或普遍真理：不受时间限制，永恒存在的事实。*Theearthgoesaroundthesun.(地球绕着太阳转。)*Lighttravelsfasterthansound.(光比声音传播得快。)3.现在的状态或特征：描述主语当前的性质、状态或特征。*Mybrotherisastudent.(我弟弟是一名学生。)*Thisbooklooksinteresting.(这本书看起来很有趣。)4.按计划或安排将要发生的动作：通常用于表示时刻表、日程表等规定好的事情，常见于火车、飞机等时刻表。*Theclassbeginsat9a.m.(课程上午九点开始。)(注：此用法对初中生要求不高，了解即可)二、一般现在时的构成与句式变化1.肯定句*主语+动词原形(当主语不是第三人称单数时)*Ilikeapples.(我喜欢苹果。)*Theystudyhard.(他们学习努力。)*主语+动词的第三人称单数形式(当主语是第三人称单数时)*Helikesapples.(他喜欢苹果。)*Shestudieshard.(她学习努力。)动词第三人称单数的构成规则：*一般情况下，直接在动词后加-s。如：work-works,play-plays,eat-eats。*以s,x,ch,sh,o结尾的动词，加-es。如：pass-passes,fix-fixes,watch-watches,wash-washes,go-goes,do-does。*以辅音字母+y结尾的动词，变y为i再加-es。如：study-studies,fly-flies,try-tries。*特殊变化：have-has。2.否定句*主语+don't+动词原形(当主语不是第三人称单数时)*Idon'tlikebananas.(我不喜欢香蕉。)*Theydon'tplayfootballonMondays.(他们周一不踢足球。)*主语+doesn't+动词原形(当主语是第三人称单数时)*Hedoesn'tlikebananas.(他不喜欢香蕉。)*Shedoesn'tstudyFrench.(她不学法语。)3.一般疑问句*Do+主语+动词原形?(当主语不是第三人称单数时)*Doyoulikecoffee?(你喜欢咖啡吗？)*Dotheygotoschoolbybus?(他们乘公交车上学吗？)*肯定回答：Yes,主语+do.否定回答：No,主语+don't.*Does+主语+动词原形?(当主语是第三人称单数时)*DoesheliveinBeijing?(他住在北京吗？)*Doesthecatlikefish?(这只猫喜欢鱼吗？)*肯定回答：Yes,主语+does.否定回答：No,主语+doesn't.三、专项练习练习一：用所给动词的适当形式填空1.Myfatherusually______(read)newspapersafterdinner.2.We______(notwatch)TVeverynight.3.She______(go)toschoolatseventhirtyinthemorning.4.______(do)yourmother______(cook)dinnereveryday?6.Thesun______(rise)intheeastand______(set)inthewest.7.Mysister______(notlike)milk.She______(prefer)juice.8.______(be)yourgrandparentsstilllivinginthecountryside?练习二：句型转换(按要求改写下列句子)1.Heplaysbasketballeveryafternoon.(改为否定句)He____________basketballeveryafternoon.2.TheyoftengoshoppingonSundays.(改为一般疑问句，并作肯定回答)______theyoften______shoppingonSundays?Yes,____________.3.Lucydoesherhomeworkintheevening.(改为一般疑问句，并作否定回答)______Lucy______herhomeworkintheevening?No,____________.4.Iusuallywalktoschool.(对划线部分提问)____________youusually______toschool?(划线部分为"walk")5.Thestudentshavelunchatschool.(改为第三人称单数句)Thestudent____________atschool.练习三：单项选择1.Mybrother______toschoolbybikeeveryday.A.goB.goesC.goingD.togo2.—______yourparents______inthiscity?—Yes,theydo.A.Do,liveB.Does,liveC.Do,livesD.Does,lives3.Water______at100degreesCelsius.A.boilB.boilsC.boiledD.isboiling4.She______likeswimming.Sheprefersrunning.A.don'tB.doesn'tC.isn'tD.aren't5.—What______yourfatherdo?—He______adoctor.A.do,isB.does,isC.does,areD.do,are练习四：用括号内所给单词的适当形式完成短文LiMingisastudent.He______(study)inNo.MiddleSchool.Everymorning,he______(get)upatsixo'clock.He______(brush)histeethand______(wash)hisface.Thenhe______(have)breakfastwithhisparents.Hisschool______(start)ateighto'clock.He______(like)EnglishverymuchbecausehisEnglishteacher______(be)verykind.Afterschool,heusually______(play)basketballwithhisfriends.Intheevening,he______(do)hishomeworkandthen______(watch)TVforawhile.He______(go)tobedataboutninethirty.四、答案与解析练习一：1.reads(主语myfather是第三人称单数，动词read加s)2.don'twatch(主语we不是第三人称单数，否定用don't+动词原形)3.goes(主语she是第三人称单数，go加es)4.Does,cook(主语yourmother是第三人称单数，一般疑问句用Does开头，动词用原形)5.play(主语Tomandhisbrother是复数，动词用原形)6.rises,sets(客观真理，用一般现在时，主语thesun是第三人称单数)7.doesn'tlike,prefers(主语mysister是第三人称单数，否定用doesn't+动词原形；prefer的三单是prefers)8.Are(主语yourgrandparents是复数，be动词用are)练习二：1.doesn'tplay(主语he是三单，否定用doesn't+动词原形)2.Do,go;theydo(主语they不是三单，一般疑问句用Do开头，动词原形；肯定回答用Yes,theydo.)3.Does,do;shedoesn't(主语Lucy是三单，一般疑问句用Does开头，动词原形；否定回答用No,shedoesn't.)4.Howdo,go(对方式提问用how，主语you不是三单，助动词用do)5.haslunch(主语thestudent是三单，have变为has)练习三：1.B(主语mybrother是三单，动词用goes)2.A(主语yourparents是复数，助动词用do，动词用原形live)3.B(客观事实，主语water是不可数名词，视为三单，动词用boils)4.B(主语she是三单，否定实义动词like用doesn't)5.B(主语yourfather是三单，第一空用does；第二空表示职业，用be动词is)练习四：studies,gets,brushes,washes,has,starts,likes,is,plays,does,watches,goes(全文描述李明的日常习惯，均用一般现在时。注意主语he是第三人称单数，动词需用相应的三单形式。)五、总结与建议一般现在时虽然基础，但要