【摘要】：2013四级考试进入了最后的冲刺阶段，语法的知识点是难点和重点，以下是威廉希尔app 特为考生们整理了2013英语四级语法;there be结构的be的活用，希望能给广大考生们在复习中作出一点贡献。预祝考生们通过考试!
there be 结构中的be必须随着be后面名词的数及句子后面的时间，使用不同的形式或时态。如：
(1) There are fifty chairs, desks and a blackboard in our classroom. 我们的教室里有五十把椅子、五十张课桌和一块黑板。
(比较) There is a blackboard, fifty chairs and desks in our classroom. 我们教室里有一块黑板、五十把椅子和五十张课桌。
(2) There weren’t any high buildings in the village twenty years ago. 二十年前，村子里没有高楼大厦。
there be结构可与情态动词can, could, will, would, must, may, might, ought to 及某些不及物动词seem, appear, happen等连用，如：
(1) Do go into the hole, for there can be snakes in it. 不要进到洞里面去，因为洞里可能有蛇。
(2) The car doesn’t run. There must be something wrong with it. 车不走了，肯定出了毛病。
(3) There seemed to be some people in the room, for the water is still hot. 房间里原来似乎有人，因为水还是热的。
(4) There happened to be a policeman there. 碰巧那儿有个警察。
有时为了使句子表达生动，动词be 可换成 come, live, remain, stand, lie, appear, exist, seem, remain, …. 。如：
(1) Long ago, there lived a king who loved horses very much. 很久以前，有个非常喜欢马的国王。
(2) There stands a house on the top of the mountain. 山顶上有座房子。
(3) There exists some doubt in what he said. 在他所的话中有些疑点。