As a flat owner or occupier, you can choose to acquire private residential properties locally or overseas if you can fulfil the eligibility conditions that apply to your flat.
via https://www.hdb.gov.sg/cs/infoweb/residential/living-in-an-hdb-flat/acquiring-private-property 所以 既然你还有 3 年还没满 MOP,可选择拿掉父亲的 occupier ,然后父母自由去买;或母亲自由去买,或者父亲申请PR MOP 钱能申请到就是赚到了。。。没申请到也没什么损失,你懂得