主-系-表结构讲解否定形式疑问式Example：a.Thereis+a/an+单数可数名词Thereis+不可数名词b.Thereare+复数名词Therebe就近原则如果句中主语有两个以上的名词，be用单数还是用复数取决于靠近be的名词Example就近原则Therebe句型的否定句一般疑问句：be动词(is,are)要提到句首。some变any，其他都不变结构:Be+there+主语+状语？课堂练习：6.There___twoapples,oneorangeandonebananaonthetable.A.isB.are7.Arethere___picturesonthewall?No,therearen't___.A.any/anyB.some/anyC.some/someD.any/some8.Thereisn'tabookinhishand.Thereis_____bookinhishand.A.noB.not9.Thereisatree____theplayground.A.atB.near10.--Arethere_____shopsnearhere?--No,thereare_____shopsnearhere.A.some,notB.some,anyC.any,notD.any,noTherearethreepensonthetable.Therearenotthreepensonthetable.Aretherethreepensonthetable?Yes,thereare.No,therearen’t.Therearesomeapplesonthetree.Therearenotanyapplesonthetree.Arethereanyapplesonthetree?Yes,thereare.No,therearen’t.Thereisaneraserinthepencil-box.Thereisnotaneraserinthepencil-box.IsThereaneraserinthepencil-box?Yes,thereis.No,thereisn’t.翻译1.Thereisamouseintheroom.(改写为一般疑问句，并作肯定否定回答)Isthereamouseintheroom?Yes,thereis./No,thereisnot.2.Thereisafishinthebowl.(改写成否定句)Thereisnotafishinthebowl.3.Therearesomedolphinsintheocean.(改写为一般疑问句)Arethereanydolphinsintheocean?4.Therearesomebooksinhisbag.(改写为否定句)Therearenotanybooksinhisbag.结束