Unit1Therearethirtystudentsinmyclass.thirtyninetysixtyseventyeightyfortyfifty注意：21-99表达整数几十时,twenty，thirty,forty，fifty，eighty为特殊形式，sixty，seventy，ninety都是其个位数形式后添加后缀-ty构成；twentythirtyfortyfiftysixtyseventyeightyninety表示几十几时，在几十和个位数形式之间添加连字符“-”。例如：65读作sixty-five4921357467528396twenty-onethirty-fiveforty-ninefifty-twosixty-sevenseventy-foureighty-threeninety-sixMatchthewordsandthenumbers.onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentytwenty-onetwenty-twothirtyfortyfiftysixtyseventyeightyninetyhundredthousandmillionbillion百千百万十亿Readaloudtogether.1.TherearethirtystudentsinLinda’sclass.T2.TherearetwentystudentsinDaming’sclass.FWherearetheytalking?√Howmany…?NumbersHowmany…?Numbersdesksblackboardtelevisionteacher’sdeskstudentspicturegirlcomputerboymapHowmanystudentsarethereintheclassroom?Therearethirty-five(studentsintheclassroom).Howmanyteachersarethereintheclassroom?Thereisonlyone(teacherintheclassroom).Workinpairs.therebe结构表示在某地有某人或某物。therebe结构中的be与后面紧跟着的名词保持单复数的一致。例如：Thereisabookinthebag.therebe结构的否定句是在be后加not.其缩写形式为:isnot=isn’tarenot=aren’t1.在墙上有一幅地图。There_____amaponthewall.2.在我们班有40名学生。There____40studentsinourclass.3.在我的桌子上有一台电脑。___________acomputeronmydesk.4.在你的桌子上有一些书。_________somebooksonyourdesk.isareThereisTherearePractice小结：小结：therebetherebe结构的疑问句结构的疑问句是把是把bebe放在放在therethere前。前。Isthereablackboardintheclassroom?Isthereablackboardintheclassroom?Yes,thereis.Yes,thereis.Isthereablackboardonthewall?Isthereablackboardonthewall?No,thereisn’t.No,thereisn’t.Arethereanycomputersintheclassroom?Arethereanycomputersintheclassroom?Yes,thereare.Yes,thereare.Arethereanytelevisionsinthelibrary?Arethereanytelevisionsinthelibrary?No,therearen’t.No,therearen’t.Period21.Theresomewaterinthebottle.A.isB.areC.be...
