John 1:17

ὅτι ὁ νόμος διὰ Μωϋσέως ἐδόθη, ἡ χάρις καὶ ἡ ἀλήθεια διὰ Ἰησοῦ Χριστοῦ ἐγένετο.

ὅτι conjunction "because"

ὁ definite article nominative masculine singular "the"

νόμος noun nominative masculine singular "law"

διὰ preposition with genitive "through"

Μωϋσέως proper noun "Moses"

ἐδόθη verb aorist passive indicative 3rd singular from δίδωμι "it was given"

ἡ definite article nominative feminine singular "the"

χάρις noun nominative feminine singular "grace"

καὶ conjunction "and"

ἡ definite article nominative feminine singular "the"

ἀλήθεια noun nominative feminine singuar "truth"

διὰ preposition with genitive "through"

Ἰησοῦ proper noun genitive masculine singular "Jesus"

Χριστοῦ noun genitive masculine singular "Christ"

ἐγένετο verb aorist middle deponent from γίνομαι "came to be"

Rough Translation:

because the law through Moses it was given the grace and the truth through Jesus Christ came to be

Smooth Translation:

Because the law was given through Moses, grace and truth came to be through Jesus Christ.