一、 There be句型的结构: 1.(一)There is+单数可数+地点状语 例:There is a ruler on the desk. 书桌上有一把尺。 (二)There are+复数主语+地点状语 例:There are four apples on the tree. 树上有四个苹果。 There are some flowers in the park. 公园里有许多花。