| Shash tshinipati tekushinian. | You were already asleep when I arrived. |
The Independent Indicative Past conjugation (#03), like the form tshinipati above, is used for things that happened in the past.
| Shash nipapan ka takushinian. | S/he was already sleep, when I arrived. |
It can be used with the modal preverb tshipa.
| Shashish an tshipa tshitutepan uipat aieshkupitakue. | S/he would have left if I had arrived. |
It can be used with the volitional preverb ui.
| Shash tshui nipati …tekushinian. | You already wanted to sleep / You were about to sleep …when I arrived. |
| Shash ui nipapan …tekushinian. | He already wanted to sleep / He was about to sleep …when I arrived. |
| Shash an tshipa ui tshitutepanat utakushit. | They should have already left yesterday. |
More on preverbs…
Link to the conjugation guide.