The phrase "are distinct forms" is correct and usable in written English.
It can be used when describing different types or variations of something that are clearly separate from one another.
Example: "The two species of birds are distinct forms of avian life, each adapted to its own environment."
Alternatives: "are separate types" or "are unique variations".
If there are distinct forms of moral responsibility, then it is possible that agents may be responsible in one sense but not another.
Avalanches, noisy limit cycles, and quasi-cycles are distinct forms of synchronous firing grouped into network bursts that emerge from excitatory-inhibitory interactions in noisy networks, but avalanches are aperiodic while noisy limit cycles and quasi-cycles are oscillatory.
Indeed, there are distinct forms of hepatotoxicity that occur due to these zonal differences in the gene expression patterns and biochemical pathways of the respective cell types.
Existing techniques allow translating the SF-36 description into the Visual Analogue Scale, Health Utilities Index, Quality of Well Being Scores or Standard Gamble, all of which are distinct forms of measuring utilities.
Nevertheless, even though it has that content, it is distinct form the belief that the hat is blue.
There exist practical tools that receive as input a digital item and output an "equivalent" digital item whose content is distinct form the input.
Some i could understand; cinema and novels are distinct art forms, and what works well in one medium does not necessarily translate well into the other.
But this is impossible, since K and I are distinct β-normal forms.
Recent growing evidence indicates that the underlying molecular mechanisms are distinct in each form of AF [ 3, 4].
As a consequence, their primary nucleic acid sequences are distinct, thus they form smaller ESTminer gene families.
The underlying molecular mechanism of these two forms are distinct.
