Since "passed" is a verb, placing it directly after "see" results in a double verb construction that lacks a logical object. In contrast, "past" is primarily a noun referring to a time that has gone, or an adjective/adverb meaning earlier than or beyond.
See Past vs Passed in Formal Communication
One refers to a physical journey, while the other refers to an act of perception or progression. "See passed" is grammatically incorrect because it combines two verbs improperly.
She was able to see past his rough exterior and recognize his kind heart. Summary and Application To summarize, "see past" is the correct phrase for looking beyond barriers to understand truth.
See Past vs Passed in Formal Communication
The Grammatical Divide: Passed vs. The Correct Alternative: See Something Passed If you intend to describe the visual experience of watching something move by you, you must adjust the sentence structure slightly.
More About See passed or see past
Looking at See passed or see past from another angle can help expand the discussion and give readers a second clear paragraph under the same section.
More perspective on See passed or see past can make the topic easier to follow by connecting earlier points with a few simple takeaways.