‘-se’ is the clausal verb suffix:
As has been mentioned elsewhere, ‘-se’ changes for tense just like ‘-che’:
Nouns from Verbs
A Kardii verb is converted to a noun by placing the ‘-se’ form of the verb after the word ‘pri’:
Literally, this is ‘the action which does…’.
Linking Verbs
Verbs can be joined using the normal (usually ‘-che’) form of the main verb and the noun form of the other(s):
The tense of the ‘-se’ verbs can either match that of the main verb or they may stick with ‘-se’.
Subjunctive
The Kardii subjunctive has a choice of forms. The first treats the subordinate phrase like a noun with a relative clause, the second treats it like a compliment sentence (where a fully formed sentence is placed after the main verb). The difference is often simply the ‘-che’ or ‘-se’ verb suffix:
For the Sake of Doing
To link two verbs that must happen one after the other (i.e. when the first action is performed to make the second one possible), ‘vin’ (for) is positioned before the noun form of the second verb and the phrase modifies the first verb (i.e. it comes before the ‘i’ marker):