求there be 详尽用法!!

“百变”的there be句型

句式I. There be+主语
这种句式表示事物的客观存在,There be放在句首,而把真正的主语放在后面,可以用来表示现在时、过去时、完成时和将来时。例如:
There is a boy on the playground. 操场上有个男孩。
There was ice on the lake last week. 上星期湖上结了冰。
There has been a lot of rain this month. 这个月雨水很多。
There will be an announcement soon. 不久会发布告。

句式II. There be+数字(some, any, no)+名词
这种句式常用来表示有多少人或物,以及没有东西、时间、问题等。例如:
There are six people there. 那里有六个人。
There are some books on the desk. 书桌上有一些书。
There will be no time left. 没剩余时间了。

句式III. There be+复合不定代词(somebody, anything等)
当句子主语是:somebody, anybody, nobody, something, anything或nothing时,常用there be来引导。例如:
There is somebody here who wants to speak to you. 这里有人要和你说话。
There is something wrong with your watch. 你的手表有毛病。
There is nothing to compare with what followed. 和后来的事情相比简直算不了什么。