Unit2重要语法精讲(行为动词的一般现在时)七年级上册英语单元核心知识过（牛津译林版）

行为动词的一般现在时译林版七年级上册Unit2Grammar目录-CONTENTS01定义02时间状语03结构04句型变化05练习01行为动词的一般现在时定义01行为动词的一般现在时定义定义行为动词：含有具体、实际的含义。行为动词的一般现在时通常表示①经常性或习惯性的动作、②目前的爱好、能力等，以及③不受时限的客观事实。举例Igetupatsixinthemorning.①经常性或习惯性的动作Marylikesdrawinganddrawsverywell.②目前的爱好、能力等。AprilcomesafterMarch.③不受时限的客观事实02行为动词的一般现在时时间状语02行为动词的一般现在时时间状语①everyeverydayeverymorningeverySunday...

Shegoestobedbeforeteneveryday.TomplaysfootballeveryFriday.

Everysummerholiday,westayonthefarm.02行为动词的一般现在时时间状语②频度副词always总是usually通常often经常sometimes有时seldom很少never从不Joeis

neverlateforschool.Theyusually

havesixlessons.Ican

seldomskatewell.Milliedon’toftenhavehamburgers.频度副词的位置：be动词、情态动词、助动词之后；行为动词之前。02行为动词的一般现在时时间状语③一天中的一部分KatereadsEnglishinthemorning.Lindahaslunchat12o’clock.Theboyhasareadinglessonintheevening.inthemorningintheafternoonintheeveningatnightatnoonat3o’clock02行为动词的一般现在时时间状语③不特定的季节、星期等Wemakesnowmeninwinter.Thestudentsdoesn’tgotoschoolatweekends.IgoswimminginJuly.onSundayinAprilinwinteratweekends...02行为动词的一般现在时时间状语④表频率的短语onceayearthreetimesadaytwiceamonthTimgoesskatingfourtimeamonth.Theyplayvolleyballonceaweek.ShetravelstoBeijingonceayear.once一次twice两次数字+times...次易错点:1.对usually、seldom;onceaweek等提问用Howoften。

eg:Lisagoestothelibraryeveryday.

HowoftendoesLisagotothelibrary?

eg：IhaveChineselessonsfourtimesaweek.

HowoftendoyouhaveChineselesson?02行为动词的一般现在时时间状语易错点:2.对次数提问用Howmanytimes。eg：IhaveChineselessonsonceaweek.

HowmanytimesdoyouhaveChineselessonaweek?eg：Shewatchesfilmsthreetimeseverymonth.

Howmanytimesdoesshewatchfilmseverymonth?

02行为动词的一般现在时时间状语03行为动词的一般现在时结构03行为动词的一般现在时结构行为动词的一般现在时结构：动词原形或动词三单形式

①当主语非三单时，行为动词用动词原形

②当主语是三单时，行为动词用动词三单形式举例

Thegirls

dancewell.

Theboy

playsfootballeveryday.03行为动词的一般现在时结构练一练thebookapenmyhousetheblackcatourschoolhisparentssomejuicepeopletheirEnglishteacherTomandILily’scousinsthenursesaboywithbigeyesalittlemilksomeorangealotoforangesroundglassesTimwithTom找出是三单的主语①

大多数动词后加slike-likes;eat-eats...②以ch\sh\s\x结尾的动词后加eswatch-watches；fix-fixes...③以辅音字母+y结尾的动词,去y变i,加esstudy-studies;carry-carries...④以辅音字母+o结尾的动词,去y变i,加esgo-goes;do-does03行为动词的一般现在时结构动词三单形式变化规则特殊：have-has04行为动词的一般现在时句型变化04行为动词的一般现在时句型变化当主语非三单时，添加助动词do;肯定句：Thetwinswanttobeadoctor.否定句：Thetwinsdon’twanttobeadoctor.一般疑问句：Dothetwinswanttobeadoctor?否定句：donot/don’t+动词原形疑问句：do置于主语前，行为动词用原形04行为动词的一般现在时句型变化当主语是三单时，添加助动词does;肯定句：Theboylikessports.否定句：Theboydoesn’tlikesports.一般疑问句：Doestheboylikesports?否定句：doesnot/doesn’t+动词原形疑问句：does置于主语前，行为动词用原形04随堂练习Mysisterdoesn’tbuyanyflowers.Doesyoursisterbuyanyflowers?LilyandLindadon’tgoshoppingonSunday.05随堂练习04随堂练习填写动词的适当形式（带*为易错题）1.Peter______(look)verysad.How_____(be)he?2*.Who______(help)you,Tom?3.Somestudentsinourclass______(do)wellinMath.4.Heusually______(walk)toschool.5*.Everyoneofus_______(want)towin.looksishelpsdowhat和who作主语，看作三单walkswantseveryone、everything等是三单04随堂练习playsstudieshasDoesoneof...作主语，看作三单makedoget04随堂练习填写动词的适当形式（带*为易错题）11.Tommy_______(notbe)atopstudentinclass.12*.______(noteat)snacksintheroom,kids.13*.Millie,_______(put)thebookshere.14.MrSmith___________(notteach)usEnglish.15*.TheGreens___________(notwatch)TVeveryweekday.isn’tDon’teatdon’tputdoesn’tteach否定祈使句：don’t+动词原形don‘twatchthe+形式+s：表示一家人，看作复数04随堂练习What

doKateandMarylike

doing?DoesMikedowellinswimming?No,hedoesn’t.04随堂练习单选1.Timmyusually______hishomeworkbeforedinner.A.doB.doesCdon’tdoDisn’tdo2.Lily______havemilkinthemorning.A.usuallynotB.don