我们的　(the one or ones) of or belonging to us

　ours　是第一人称复数名词性物主代词，可用作主语、宾语或表语。

　Their children study hard while ours never study.　他们的孩子学习很刻苦，而我们的孩子从来不学习。
　Let's clean their room first and then ours.　咱们先打扫他们的房间，再打扫我们的房间。
　Their house is similar to ours.　他们房子和我们的差不多。
　The classroom is ours.　这间教室是我们的。

我们的房间比以前的那间大。
［误］ The room of us is larger than our former one.
［正］ The room of ours is larger than our former one.
［析］ 构成双重所有格，须用名词性物主代词，而不可用人称代词的宾格。