[tlhIngan Hol] 'op ret or 'op (time period) ret ?

[SuStel]

On 10/17/2018 8:41 AM, mayqel qunenoS wrote:
> Can we say just {'op ret}, or do we necessarily need to write some 
> kind of time period right after the {'op} e.g. {'op tup ret} ?

One doesn't speak of having a quantity of {ret}s, so one presumably 
doesn't speak of having "some" {ret}s. You need the time period.

-- 
SuStel
http://trimboli.name