More Subjunctive Confusion! Hooray!

Question

Alright, I got this question wrong on a test and have no idea why. Can someone explain why I use the subjunctive here?

Podemos empezar cuando termines de jugar, Miguelito.

Please help! Thanks :D

Stephanie

Answer 1

I'm not a 100% sure but I'm gonna take a guess & say it's because it's uncertain if Miguelito is going to stop playing simply because 'cuando' is used. Hopefully someone else comes along and verify this though.

Answer 2

I did a little more research and apparently "cuando" is an indication to use the subjunctive if it's combined with the imperative/Ir+a+infinitive/future tense or is in the present tense but is talking about something that will happen, as in "we will start when you finish playing." Thanks for all the help though! Stephanie

precisely, when cuando refers to a future action- subjunctive, when referring to a past or habitual action- indicative. - bosquederoble, Jul 31, 2014

Answer 3

Because the time of the game ending is indifinite or unknown.

My guess.