両 りょう墓制 ぼせい

ryōbosei

1. Not a dual-grave system.; Not using the two-grave system.

1. Was a dual-grave system.

1. Dual grave system; Double burial system

1. It is not ryōbo-sei.; It is not a dual-grave system.

1. It's not a dual grave system.; It isn't a dual grave system.

1. There was a dual-grave system.; It was a paired-grave system.

1. Mutual grave system.; Pair grave system.

1. It is not ryōbo-sei.; It is not a dual-grave system.

1. Wasn't dual burial.; Wasn't a dual grave system.

1. Probably dual burial.

1. It was not a dual-grave system.

1. Wasn't a dual grave system.; Wasn't the practice of dual graves.

1. Probably dual burial.

1. It was not the dual-grave system.

1. If/when both grave systems…; If both grave systems were…

1. If both grave systems existed; If a dual grave system were in place

1. If both grave systems…; When both grave systems…