How do you conjugate Swedish verbs into the past perfect tense?

I understand that to conjugate a verb into the past perfect tense you need har and a supine. I just don't understand what the supine is. Does it mean to just add t to the end of the infinitive? Any help would be appreciated, please and thank you.

January 3, 2019

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Hello! Yes, for the past perfect tense you normally add -t to the verb root to get the supinum. Beware however some verbs have umlaut, examples (but these are exceptions to the normal): att sälja, att göra, att välja, att vilja etc

Du säljer - du har sålt

Jag flyger - jag har flugit

De vill - de har velat

Han väljer - han har valt

Ni gör - ni har gjort

A curious application for supinum (though in plusquamperfect) is simplification by supinum 'chaining', just stacking the supinums on top of each other:

De hade velat flugit - They had been wanting to fly.

Jag hade velat kunnat flugit - I had been wanting to be able (of) flying

January 5, 2019

The 'supinum chaining' you are talking about does indeed seem curios to me. I would surely have written those sentences:

"De hade velat flyga."

"Jag hade velat kunna flyga."

January 5, 2019
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