Suppose-Supposed | Commonly Confused Words

Suppose

/səˈpəʊz/

To assume something to be true without proof

But supposing this guide should be there and remember him?"You were supposed to be paired with Jensen.""Success supposes endeavour.

/səˈpəʊzd/

Something that is assumed to be true or intended, often without proof

Suppose is more like imagining or thinking about a scenario.
Supposed often implies an expectation or assumption about something.
Remember that suppose is akin to think, and supposed often means expected.
Think of suppose being active where you are actively thinking or imagining something.
Supposed indicates that something should happen or is assumed to be true.