Suppose or supposed: Choose the right form
先写下记得的内容，再查看解释。不要填写个人信息。
查看解释
Suppose means to think something is probable or to offer a thought for consideration. In contrast, be supposed to indicates an obligation, an official guideline, an arrangement, or an intended outcome. Supposed without be functions as the standard past-tense form of suppose, meaning someone held an assumption in the past.
I suppose the rental office has an extra nozzle for this machine.