Be动词的讲解

提分快，找凹凸凹凸教育1Be动词用法及综合练习一．基本形式：am，is，are二．定义：1.是（表状态）（打开书本P77-P78，找出一下意思的句子）Ex:A.Iamveryhappy.B．Theyareourfriends.2.在（表存在，位置）Ex：A.Thebookisonthedesk.B.Sheisathome.三．主词+Be动词一般来说be动词要根据主词的人称来选择，如；第一人称单数（I）：amIamaboy.复数（We）:areWearestudents.第二人称单数（you你）：areYouaregirl.复数（you你们）：areYouareyoung.提分快，找凹凸凹凸教育2四．Be动词的否定1.含be动词（am、is、are）的肯定句在be动词后加not，即变成否定句的格式：肯:主词+am/is/are+……否:主词+am/is/are+not……Ex:肯:Heisagoodfather.否：Heisnotagoodfather.练习1.Sheisabadgirl.(写出否定句)2.Itisadog.3.be动词可以跟not缩写在一起isnot=isn’tarenot=aren’t（注意：amnot一般不缩写）Ex：Heisnotagoodfootballplayer.=Heisn’tagoodfootballplayer.练习1.Theyarenotahard-workingboys.（写出它的缩写句）第三人称单数（she、he、it）：isHeisright.复数（they）：areTheyarecoming.提分快，找凹凸凹凸教育32.Sheisnotgoodatdancing.五．Be动词的疑问句：1.在谓语是be动词的句子中，将be动词移到主词前，句尾加“？”，即可构成疑问句格式：肯：主词+am/is/are+……疑：Am/Is/Are+主词+……Ex：肯;Itismypen.疑：Isitmypen？练习1.Sheismysister.（写出它的疑问句）2.Heisahandsomeboy.2.be动词开头的一般疑问句，可用Yes或No回答，而答句中的主词需要用代名词（I/She/He/They/We等）代替.格式：肯：Yes，主词+am/are/is.否：No,主词+am/are/is+not.Ex：Isthatmanyourfriend？答：Yes,heis/No,heisnot.提分快，找凹凸凹凸教育4练习：1.Isheyourhandsomefather?肯定回答：____________________________________________否定回答:____________________________________________2.Areyouhappy？肯定回答：____________________________________________否定回答:____________________________________________特殊疑问句：疑问词5个W：、Who、Where、When、What、WhyHow+be（am，is，are）+其他Be动词的用法口诀:我用am，你用are，is连着他，她，它；单数名词用is，复数名词全用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。练习一.练习题：用be(is,am,are)动词的适当形式填空1）I______aboy.______youaboy?No,I_____not.2）Thegirl______Jack'ssister.3）Thedog_______tallandfat4）Themanwithbigeyes_______ateacher.5）______yourbrotherintheclassroom?提分快，找凹凸凹凸教育56）How_______yourfather?7）MikeandLiuTao______atschool.8）Whosedress______this?9)Thejeans______onthedesk10)Here______ascarfforyou.练习二：1.Mr.Cowlikestoeatgrass.He______verystrong.2.I_____fat.I______tall.3.Who_______yoursister?Jenny__________.4.______youMr.Birdie?Yes,I______.5.How________Linda’sSpotty?He’sfine.6.Mypet____asmartmonkey.7.Howmanypeople______thereinyourfamily?8.______youintheclassroom?Yes,I________.9.Who_______thismaninthephoto?It_____yourfather.10.BobandLily______myclassmates.14)请在这些代词后面填上相应的be动词形式：I_______you_______she_______he_______it_______they_______Jim_______TonyandMarry_______Gina_______Thedog_______Myruler_______Yourpen___二.选择1.She______MissHen.A.beB.amC.is提分快，找凹凸凹凸教育62.I______sorry.A./B.amC.are3.Here______myball.A.isB.areC.am4.You______numbereight.A.areB.isC.am5.What_______this？A.isB.areC.be6.Helen____astudent.A.beB.amC.is7.Those_____oranges.A.isB.areC.am8.Howold_____yourteacher?A.beB.amC.is9.Where_____hermother?A.areB.isC.am10.Thetwocupsofmilk_____forme.A.isB.areC.be11.EricandKathy____mystudents.A.areB.isC.am12.Yourbooks____notgood.A.isB.areC.be提分快，找凹凸凹凸教育713.He___aboy.A.beB.amC.is14.It___mydog.A.isB.areC.be15.Whosesocks______they?A.areB.isC.am三.写出下列词适当形式:1.is(复数)______2.weare(缩略形式)______3.arenot(缩略形式)______4.isnot(缩略形式)______5.cannot(缩略形式)______6.she's(完整形式)______7.it's(完整形式)______8.they're(完整形式)______9.don't(完整形式)______改句练习卷（一）把下列句子改成否定句和一般疑问句并作肯定或否定回答。1.Thisisthereadingroom.否定句：_______________________________________________一般疑问句：____________________________________________肯定回答：____________________________________________否定回答：____________________________________________2.She’sMissLynn.提分快，找凹凸凹凸教育8否定句：__________________________________________一般疑问句：_______________________________________肯定回答：____________________________________________否定回答：____________________________________________3.IaminGrade3.否定句：__________________________________________一般疑问句：_______________________________________肯定回答：____________________________________________否定回答：____________________________________________4.MissZhangisourEnglishteacher.否定句：_______________________________一般疑问句：____________________________肯定回答：____________________________________________否定回答：____________________________________________5.Weareteachers.否定句：_______________________________一般疑问句：____________________________肯定回答：____________________________________________提分快，找凹凸凹凸教育9否定回答：____________________________________________6.Thesearepears.否定句：_______________________________一般疑问句：____________________________肯定回答：____________________________________________否定回答：____________________________________________7.Itisanicepen.否定句：___________________________________________一般疑问句：________________________________________肯定回答：____________________________________________否定回答：____________________________________________8.Wearegoodatdrawinpictures.否定句：___________________________________________一般疑问句：________________________________________肯定回答：____________________________________________否定回答：____________________________________________9.Iamaprettygirl.否定句：___________________________________________提分快，找凹凸凹凸教育10一般疑问句：________________________________________肯定回答：____________________________________________否定回答：____________________________________________10.Mysisterisfriendly.否定句：___________________________________________一般疑问句：____________________________