楼主你已经属于玩脱了的情况via　https://www.ecitizen.gov.sg/Driving-in-Singapore-How-to-convert-a-foreign-driving-licence.html If you are a Singapore citizen or PR If you are a Singapore citizen or permanent resident (PR), you can drive in Singapore only after you obtain a Singapore driving licence. You must convert your foreign driving licence to Singapore driving licence as soon as possible if you want to drive in Singapore.　 New Singapore citizens and PRs must convert their foreign driving licences within 3 months of obtaining citizenship or PR status. (more...)

你转PR的时候之后三个月内就可以拿着外国护照去考一个笔试，然后换成坡的驾照。 如果你是EP的话，应该可以用外国驾照在新加坡开车的。