问题描述：
英语语法
本句中的their models being.为什么是being?用are 行不行?
The painting shows a serious-looking man and a woman standing alongside him in front of a farmhouse,their models being respectively the painter’s dentist and sister.
本句中的their models being.为什么是being?用are 行不行?
本句中的their models being.为什么是being?用are 行不行?
The painting shows a serious-looking man and a woman standing alongside him in front of a farmhouse,their models being respectively the painter’s dentist and sister.
本句中的their models being.为什么是being?用are 行不行?
问题解答：
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