John 1:22

εἶπαν οὖν αὐτῷ· τίς εἶ; ἵνα ἀπόκρισιν δῶμεν τοῖς πέμψασιν ἡμᾶς· τί λέγεις περὶ σεαυτοῦ;

εἶπαν verb aorist active indicative 3rd plural from εἶπον (I say) "they said"

οὖν conjunction "then"

αὐτῷ pronoun dative masculine singular "to him"

τίς pronoun "what/who"

εἶ verb present indicative 2nd singular from εἰμί (I am) "you are" / "are you?"

ἵνα conjunction subjunctive "that"

ἀπόκρισιν noun accusative feminine singular "answer"

δῶμεν verb aorist active subjunctive 1st plural from δίδωμι (I give) "we might give"

τοῖς definite article dative masculine plural "to the"

πέμψασιν aorist active participle dative masculine plural from πέμπω (I send) "the ones sending"

ἡμᾶς pronoun accusative 1st plural "us"

τί pronoun neuter singular "what"

λέγεις verb present active indicative 2nd singular from λέγω (I say) "you say"

περὶ preposition with genitive "concerning"

σεαυτοῦ pronoun genitive masculine singular "yourself"

Rough Word-by-word:
They said then to him who you are that answer we might give to the ones sending us what you say concerning yourself

Smooth Translation:
They said to him then, "Who are you? That we might give an answer to the ones who sent us, what do you say concerning yourself?"