there be sb doing中doing的成分
2022-01-24 15:27:18文/李傲there are sb doing中的doing为现在分词作定语,修饰其前的名词,相当于一个定语从句。There is sb doing sth.它表示的是某人正在做某事,doing在句中做是后置定语,与其修饰的词是逻辑上的主谓关系。

动词be的形式 :如果是一般过去时,就用was/were;如果是一般现在时,就用am/is/are。 如果是一般将来时,就用will be然后看主语的人称及单复数形式。
就近原则:There be句型的就近原则也是主谓一致语法项目的重点考点。There be句型中be动词的单复数形式由后面挨近的一项的单复数决定。
There is some-thing important in today's newspaper.
今天的报纸上有条重要新闻。
There is a pen,two books and many pencils on the desk.
桌子上有一支钢笔,两本书,和许多铅笔。
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