The phrase 'form of existence' is correct and usable in written English.
You might use this phrase when describing the variety of ways in which something, or a group of things, can exist. For example, "The human race has experienced many forms of existence throughout its long history."
Co-op living is a classic New York City form of existence.
"It's the end of 16 years or 17 years of education, which is a highly artificial form of existence.
The French biologist Georges-Louis Leclerc wrote them off in the 18th century as "the lowest form of existence".
For this biological feat alone, the branch hugging mammals deserve better than being deemed "the lowest form of existence".
The first is that of classical theism in which there is the admission of plurality, potentiality, becoming, as a secondary form of existence outside of God.
But this was, among other reasons, because he expected it to be soon swept away by a form of existence more perfected in its justice, peace, comradeship and exuberance of spirit than even Lenin and Trotsky could have imagined.
Trisvabhava, ( Sanskrit: "three forms of existence") in Buddhism, the states of the real existence that appear to a person according to his stage of understanding.
The three forms of existence are: 1. Parikalpita-svabhava ("the form produced from conceptual construction"), generally accepted as true by common understanding or by convention of the unenlightened.
There may be something godlike in the way we "bring into their various forms of existence all the receding ontological planes of the world we inhabit," but we are also at the mercy of that world's whims.
Dr. Dyson argued in his 1979 paper that life and intelligence could survive the desert of darkness and cold in a universe that was expanding infinitely but ever more slowly by adopting ever slower and cooler forms of existence.
Categories articulate in particular the Sosein of entities; they specify configurations, structures and contents, not forms of existence (A.Intro7).
