Želim ti zahvaliti na pomoći.

I want to thank you for the help.

Breakdown of Želim ti zahvaliti na pomoći.

• ti: you (informal singular)
• na: for
• pomoć: help
• željeti: to want

Questions & Answers about Želim ti zahvaliti na pomoći.

Why is it ti and not te in Želim ti zahvaliti?

Because ti is the dative form of you, and the verb zahvaliti requires the dative case for the person you are thanking.

Pattern with zahvaliti:

• zahvaliti (se) nekome na nečemu
  = thank someone (dative) for something (na + locative)

So:

• Želim ti zahvaliti… = I want to thank you (to you)…
• Želim mu zahvaliti… = I want to thank him…
• Želim joj zahvaliti… = I want to thank her…

By contrast, te is the accusative form (I see you, I love you, etc.):

• Vidim te. = I see you. (direct object → accusative te)
• Pomažem ti. = I help you. (indirect object → dative ti)

So with zahvaliti, it must be ti, not te.

What form of the verb is zahvaliti, and is it like English to thank?