Learn Swedish: Projektet ser mycket lovande ut. - The project looks very promising.

Ser ut (looks) is a particle verb. In Swedish main clauses, the main verb (ser) must take the second position, but the particle (ut) is placed after adverbs and predicative adjectives. That is why mycket lovande comes between them, giving us ser mycket lovande ut.

Since projektet is an ett-word, why doesn't lovande get a -t at the end?

Lovande (promising) is a present participle, which is a verb acting as an adjective ending in -ande or -ende. These words are invariable in Swedish. They never change form to match gender or plurality, so you don't add a -t for neuter words or an -a for plural words.

Could I use verkar instead of ser ut here?

Yes! Verkar means 'seems', while ser ut means 'looks' (specifically based on visual appearance). If you say ser mycket lovande ut, you are basing your opinion on something you can physically see, like a blueprint or a spreadsheet. Verkar gives a more general overall impression. Also, remember that verkar does not use the particle ut.

Can I use jätte instead of mycket here to mean 'very'?