1
particle
-ing and -ing (e.g. "coming and going")
as …たり…たり, after the -masu stem of verbs
2
particle
doing such things as ...
used adverbially
何人も空の胃の腑では愛国者たり得ない。
No man can be a patriot on an empty stomach.
3
particle
expresses a command
as …たり…たり at sentence-end, after the -masu stem of a repeated verb
4
5
only applies to
たり
indicates completion or continuation of an action
from 〜てあり, after the -masu stem of verbs