1.当动词be后所接的名词是单数可数名词或不可数名词时,be 应该取单数is;当其后所接的名词是复数的可数名词时,be用复数are。
There's a man at the door.门口有个人。
There is some apple juice in the bottle.瓶子里有些苹果汁。
There are some strangers in the street.大街上有一些陌生人。
2.如果There be 后面是几个并列名词做主语时,动词be的形式和最靠近它的那个名词保持数的一致。
There is an ashtray and two bottles on the shelf. 架子上有一只烟灰缸和两个瓶子。
There are two bottles and an ashtray on the shelf. 架子上有两个瓶子和一个烟灰缸。
时态
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