to thank you
I wanted to thank you.
I just want to thank you.
Você pensou que eu iria ficar de joelhos e te agradecer?
Did you think I was going to get down on my knees and thank you?
— Nausicaä do Vale do Vento (1984)
Eu não tenho palavras para te agradecer.
I have no words to thank you.
I don’t know how to thank you.
Eu apenas gostaria de te agradecer por traduzir as minhas sentenças.
I just wanted to thank you for translating my sentences.
Should I thank you?
Quero te agradecer por ter vindo aqui.
I want to thank you for coming here.