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七年级上册英语语法（精）一．Be动词（am,is,are）的用法口诀：I用am,you用are,is跟着他（he）她（she）它（it）。单数is，复数are.变疑问，往前提，句末问号莫丢弃，变否定，更容易，be后not莫忘记，疑问否定任你变，句首大写莫迟疑。注意：be动词通常会和其他词连写在一起，如：I’m,what’s,name’s,they’re等。I________astudent.You________Janpanese.He_______mybrother.She_______verynice.Myname________Harry.They_______10yearsold.Thebooks_________new.Mary,this_________Tom.There________adeskintheroom.What_____these?二．冠词的用法冠词分为不定冠词（a,an）、定冠词（the）和零冠词（不用冠词的情况）三种。不定冠词a（an）与数词one同源，是“一个”的意思。a用于辅音音素前，而an则用于元音音素前。定冠词the的用法：巧计定冠词the用法歌诀：特指双方熟悉，上文已经提起。世上独一无二，方位名词乐器。某些专有名词，还有复数姓氏。序数词最高级，习惯用语要牢记。零冠词的用法：1.专有名词前一般不加冠词China中国Europe欧洲LeiFeng雷锋WilliamShakespeare威廉·莎士比亚2.月份、星期、节日前一般不加冠词January一月份Sunday星期日ChristmasDay圣诞节Thanksgiving感恩节NationalDay国庆节MayDay劳动节注:民族节日前要加the如:theSpringFestival3.三餐、四季前一般不加冠词Ihavelunchatschool.我在学校吃午餐。Summeristhebestseasonforswimming.夏天是游泳的好季节。比较：Ihadabiglunchyesterday.昨天我吃了一顿丰盛的午餐。（表示某一个）比较：IwillneverforgetthesummerwespentinHawaii.我永远不会忘记我们一起在夏威夷度过的那个夏天。（表示特指）4.进行球类运动playbasketball打篮球playvolleyball打排球playfootball踢足球5.by+交通工具bybus乘公交车bybike骑自行车6.固定词组gotoschool去上学gotobed上床睡觉gobytrain乘火车去gobyboat乘船去在下列句中空白处填入适当冠词，不需用冠词处划/。1.What’sthis?It’s________clock.2.________firstlessoniseasy.3.Whatisit?It’s_____“w”.4.Whatcolorisyourcoat?It’s_______orange.It’s_______orangecoat.5._______womanisMrs.Green.Sheis_________teacher.6.Thosepensarein________pencil-case.7.Ilikeplaying________soccer.8.WhendoesLilygoto______bedin__________evening?9._______“h”,______“o”and_______“w”intheword“how”.10Ipaly_________guitareveryday.三名词和代词的数1.写出下列词的复数形式。baby_______case_______knife_______photo_______Chinese_________hamburger___________potato_______key______watch_______name_______strawberry_________tomato__________dollar________orange__________people_________documentary____________boy__________piano_______child_________man_______this______that_______I_______she_________you_______bus_______wish_______Japanese___________am_________2.翻译短语五门学科________________________三部电影_______________________一些动作片___________________________许多手表_________________________一点食品________________________一点蔬菜________________________许多冰激凌________________________三块鸡肉___________________________一些工作_________________________许多作业___________________________四辆公共汽车________________________3.选择填空1、Thereonthewall.Theyareverybeautiful.A.arephotoesB.arephotosC.isaphotoD.isphotos2.ThiskindofcarmadeinShanghai.A.isB.areC.wereD.has3.Therearefourandtwointhegroup.A.Japanese,GermenBJapaneses,GermenC.Japanese,GermanD.Japanese,Germans4.That’aartbook.A.anB.aC.theDare5.Theboyshavegotalready.A.twobreadB.twobreadsC.twopiecesofbreadD.twopieceofbread6.Theoldmanwants.A.sixboxesofapplesB.sixboxesofappleC.sixboxofapplesD.sixboxsofapples7.Theresomeintheriver.A.is,fishB.are,fishsC.is,fishsD.are,fish8.Theretwointhebox.A.iswatchB.arewatchesC.arewatchD.iswatches9.Weshouldcleantwiceaday.A.ourtoothB.ourtoothsC.teethD.ourteeth10.The_____meetingroomisnearthereadingroom.A.teacherB.teacher’sC.teachers’D.teachers四．句子单数变复数，注意以下五要素(1)主格人称代词要变成相应的复数主格人称代词,即I→we,you→you，she,he,it→they。如：Sheisagirl.→Theyaregirls.(2)am，is要变为are。如：I’mastudent.→Wearestudents.(3)不定冠词a，an要去掉。如：Heisaboy.→Theyareboys.(4)普通单数名词要变为复数形式。如：Itisanapple.→Theyareapples.(5)指示代词this，that要变为these，those。如：Thisisabox.→Theseareboxes..把下列句子变成复数句。1.Thisisabike.2.Thatisaneraser.3.Itisaredorange.4.Heisateacher.5.What’sthis?6.HeisaChineseboy.7.Aphotoisonthewall.5.改错。1.Hehasmanyicecreamforbreakfast.__________________________________________2.Thegirlhastwobroccoliforlunch._____________________________________________3.Thestudentdoesafewhomeworkeveryday._____________________________________4.Iwanttogotomovie._______________________________________________________5.Wecanseemuchclothesinthestore.___________________________________________6.Doesshehavethreecousin?__________________________________________________7.TheyareJapaneses.___________________________________________________________8.Ihavesomeapple._____________________________________________________________9.IwanttoseeaBeijingOpera.____________________________________________________五．时态复习-----一般现在时1)一般现在时表示现在的状态。Sheisathome.2)一般现在时表示经常性或习惯性的动作，常与表示频度的时间状语everyday,usually,always,often,sometimes,onSunday等连用,3)一般现在时表示客观(事实)存在及普遍真理Theearthgoesaroundthesun.1.含be动词的一般现在时Be动词要根据句中的主语的人称和数而变化。它有三种形式：am,is,are.如：Iamateacher.Mybrotherisatschool.LucyandLilyarefriends.2.实义动词的一般现在时一个动作经常或反复地发生，就用一般现在时。第三人称单数（he,she,it,Tom和单数名词等）作主语时，谓语动词要加“s”或“es”，这种动词形式简称为动词的单三形式。记住：单三人称单三动，其他人称用原形。如：Theygetupatsixo’clock.Hegoestoschoolatseventhirty.3动词第三人称单数的构成规则：a.一般情况下在动词词尾加s如：get----getslike----likesplay—plays，want—wants，work—works，know—knows，help—helps，get—getsb.以字母s、x、ch或o结尾的动词加-es；如：guess—guesses，fix—fixes，teach—teaches，brush—brushes，go—goes，do—does，watch—watches，catch—catchesc.以辅音字母＋y结尾的动词，先变y为i，再加-es。如：study—studies，carry—carries，fly—flies，worry—worries特殊词：have----has用动词的适当形式填空。1.Weoften_________(play)intheplayground.2.He__________(get)upatsixo’clock.3.________you_________(brush)yourteetheverymorning.4.What________(do)heusually________(do)afterschool?