青少版新概念2A-Unit13.ppt

hill /hil/ lake /leik/ sheep /?i:p/ none /n?n/ 没有任何东西，没有人 eg: Were there students in the classroom? There were none. Was there any snow on the hill? There was none. reservoir /rez?vwa:/ 水库 Block of flats 一栋公寓 programme/program /pr?ugr?m/节目 Prounciation /tr/ track train trip true try chemistry /dr/ dream dress drink drive dry children There be--- 的构成 定义：表示某地有某物或某人 结构：there is+单数可数名词/不可数名词+地点状语 there are+复数名词+地点状语 1: There is a girl and two boys in the picture. 2: There are two boys and a girl in the picture. 就近原则 be动词单复数形式要跟there be之后的主语保持一致，如果主语是单数或不可数名词用is，如果主语是复数用are。 注意事项：? there是引导词，在句中不充当任何成分，翻译时也不必译出。句子的主语是某人或某物，谓语动词be要与主语（某人或某物）的数保持一致。 There is a bird in the tree. There are five birds in the tree. 就近原则 如果有两个或两个以上的主语时，be动词要和最靠近它的那个主语在数上保持一致。如： There is a pen and some books on the desk. 书桌上有一支钢笔和一些书。 There are some books and a pen on the desk. 书桌上有一些书和一支钢笔。 There is/are--- 的否定句is/are后加not, 肯定句中的some变any There is a beautiful flower on the desk. There is not a beautiful flower on the table. There is some water in the bottle. There isn’t any water in the bottle. There is a radio on the desk. There be--- 的一般疑问句 Is there a radio on the desk ? Yes, there is. / No, there isn’t. There are some shoes under the bed. Are there any shoes under the bed? Yes, there are. / No, there aren’t. Is there anything new in today’s newspaper? There is something new in today’s newspaper. Yes, there is./No, there isn’t 规则： is/are要提前,再在句尾加上问号即可. some 变any, something改为anything,其他都不变. There be 句型的时态 be可以有： 现在时(there is/are） 过去时(there was/were) 将来时(there is/are going to be或there will be) 完成时(there have/has been) 还可用there must be ,there can’t be, there used to be等。 如 There is going to be a meeting this morning. There is/are--- 的特殊疑问句 a）就There be后面的主语进行提问， 指物用“What’s ( there ) … ” 指人用“Who’s ( there ) … ” 其中的there在口语中经常省略。值得注意的是，无论原句的主