AA佳立航
过去式There were lots of people performing on the stage.现在式There are many people taking a show on the stage.将来式There are going to(或will) be a show performed by a number of people on the stage.楼上的大哥就算是不用There be,那你也错了啊。Many people performing on stage,你进行时至少加个are啊！
