John 6:3

ἀνῆλθεν δὲ εἰς τὸ ὄρος Ἰησοῦς, καὶ ἐκεῖ ἐκαθέζετο μετὰ τῶν μαθητῶν αὐτοῦ.

Rough Word-by-word:
he went up and unto the mountain Jesus, and there he was sitting down with the disciples of him.

Smooth Translation:
And Jesus went up on the mountain, and there he was sitting down with his disciples.

ἀνῆλθεν verb aorist active indicative 3rd singular from ἀνέρχομαι (I go up) "he went up"

δὲ post positive conjunction "and"

εἰς accusative preposition "into, unto"

τὸ definite article accusative singular neuter "the"

ὄρος noun accusative singular neuter "mountain"

Ἰησοῦς proper noun nominative singular masculine "Jesus"

καὶ conjunction "and"

ἐκεῖ adverb "there"

ἐκαθέζετο verb imperfect middle deponent indicative 3rd singular from καθέζομαι ( I sit down) "he was sitting down"

μετὰ preposition with genitive "with"

τῶν definite article genitive plural masculine "the"

μαθητῶν noun genitive plural masculine "disciples"

αὐτοῦ pronoun genitive singular masculine "of him"