There is (are) a pen and some books on the desk 此句中,为什么既可there is 又可用there are?
问题描述：
There is (are) a pen and some books on the desk 此句中,为什么既可there is 又可用there are?
答
不对。
如果a pen 放在前面，就用is
如果some books 放在前面，就用are
决定be动词单复数的要看最靠近它的名词是单数还是复数。ok?
答
用there is才对,就近原则.当there be 句型后面有多个主语时,be要与最近的那个主语一致,本题是a pen.故用is.