There be句型 例:肯定:There is one goat in the farm.农场里有一只羊. There are five ducks in the pond.池塘里有五只鸭子. 否定:There isn't any books on the desk.桌子上一本书都没有. There aren't ten apples in the bag.袋子里没有十颗苹果. 问句:Is there a pig under the tree?树底下有一只猪吗? Are there any students in the classroom?教室里有学生吗? Is there a lot of juice in the pitcher?水壶里有很多的果汁吗?