Ég heng jakkann minn upp við hurðina áður en ég fer í sturtu.

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Breakdown of Ég heng jakkann minn upp við hurðina áður en ég fer í sturtu.

• minn: my
• áður en: before
• hurðin: the door

Questions & Answers about Ég heng jakkann minn upp við hurðina áður en ég fer í sturtu.

Why is it Ég heng and not something like Ég hangi?

The verb is að hengja (to hang something up; transitive). In the present tense, 1st person singular is ég heng.
A form like hangi belongs to a different pattern you may see with að hanga (to be hanging; intransitive), e.g. Jakkinn hangir (The jacket is hanging).
So:

• Ég heng jakkann = I hang the jacket (I perform the action)
• Jakkinn hangir = The jacket hangs / is hanging (state)

Why is jakkann in that form?

Jakkann is:

• the noun jakki (jacket)
• in the accusative singular
• with the definite article attached (-inn)

It’s accusative because hengja takes a direct object: you hang something.

Why do we say jakkann minn and not minn jakkann?