Our clavichord is kept in the living room.这里的living为什么要用ing形

Our clavichord is kept in the living room.这里的living为什么要用ing形 Our clavichord is kept in the living room.这句话中,为什么要用is kept? our clavichord is kept in the living room.这里为什么不用keep,而用过去分词 Our clavichord is kept in the living room.这句话里为什么要用kept这个词呢? 请翻译our clavichord is kept in the living room.that’s where we ：our clavichord is kept in the living room,that's where we ( Our clavichord is kept in the living room .That's where we _ our clavichord is kept in the living room改主动语态 Our clavichord is kept in the living room.That's where we ke his brother often watches tv in the living room为什么生活要加ing i bought it when i was living in the china,为什么这里要用was living there is sunshine in the living room.