SimplePresenttenseof“be”一般现在时中be动词的用法Unit1Grammar(语法)学习目标：1.理解并掌握be动词在一般现在时中的用法2.掌握一般现在时的肯定句、否定句、疑问句的构成与基本用法BeBe动词动词be动词也叫系动词，表示“是”，具体体现形式有am,is,are,was,were,willbe等一般现在时isareambe动词一般现在时能与不同的主语(subjects)连用1.am,is,are与人称代词连用人称代词IweyouhesheittheyamIIam“我是”我是一个女生。Iamagirl.Iamtall.我是高的。=I’m=I’magirl.=I’mtall.ishesheitHeisaboy.Sheisagirl.Itisadog.他是一个男生。她是一个女生。它是一只小狗。Heis=He’sSheis=She’sItis=It’sHe’sShe’sIt’sareyoutheyYouareaboy.Youareboys.weWearefriends.你是一个男生。你们是男生。Theyareclassmates.他们是同班同学。我们是朋友。You’reWe’reThey’reYouare=You’reWeare=We’reTheyare=They’re用“be”的正确形式填空1.I____atallgirl.2.You___Lily,right?3.She____mytwinsister.4.We____goodfriends.5.You____allgoodstudents.6.They____Sandy’sparents.amareisareareare2.与普通名词连用（1）单数名词+is（2）复数名词+areThestudents______veryhappy.areThegirl________tallandslim.isbebe动词动词的的否定句否定句主语+be+notamisarenot=amnotisn’taren’t将下列句子改为否定句1.Thisisabox.2.I’mastudent.3.Theyaremyclassmates.Thisabox.isnot/isn’tI________astudent.Theymyclassmates.arenot/aren’tamnot1.Thesearemybooks.__________________2.SheisSandy’ssister.__________________3.Weareintheclassroom.____________________4.TheyarefromtheUK.___________________5.YouareinClass6,Grade7.____________________Thesearenot/aren’tmybooks.Sheisnot/isn’tSandy’ssister.Wearenot/aren’tintheclassroom.Theyarenot/aren’tfromtheUK.Youarenot/aren’tinClass6,Grade7.将下列句子改为否定句bebe动词动词的的疑问句疑问句Heisateacher.be动词提句首Isheateacher?Theyareclassmates.be动词提句首Aretheyclassmates?肯定：Yes,heis.否定：No,heisn’t.肯定：Yes,theyare.否定：No,theyaren’t.在一般疑问句的肯定回答中不能用缩写形式把下列句子改成一般疑问句并做肯定和否定回答。1.Thisisareadingroom.________________________2.Theyareclassmates.._______________________3.EddieisHobo’smaster.________________________Isthisareadingroom?Yes,itis./No,itisn’t.Aretheyclassmates?Yes,theyare./No,theyaren’t.IsEddieHobo’smaster?Yes,itis./No,itisn’t.我用am，你用are，is都是他，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。Be动词用法口诀Workinpairs:A:Hello,what’syourname?B:Iam..........A:Howoldareyou?B:I’m……..A:AreyouinClass6,Grade7?B:Yes,Iam.A:Good.Weareclassmates.Whathaveyoulearntintoday’sclass?
