"there is multiple" is a correct and usable form of written English. You can use it in place of more specific phrases, such as "there are multiple ways", "there are multiple options", or "there are multiple solutions". For example, "After researching the problem, we found that there is multiple ways to solve it".
In those patients there is multiple chronic osteomyelitis, and bone erosions are intraosseous and not periarticular as seen in our murine model or in patients affected by RA.
And yes, there is multiple account support.
And yes, there is multiple Twitter account support.
"I think there is multiple uses of our platform".
Assume that there is multiple candidates for the pilot pattern.
When and if this is the case, there is multiple domain supervenience.
There are multiple uses.
There are multiple challenges.
There were multiple factors.
There are multiple offers.
There are multiple answers.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK