John 8:4

λέγουσιν αὐτῷ Διδάσκαλε, αὕτη ἡ γυνὴ κατείληπται ἐπ’ αὐτοφώρῳ μοιχευομένη·

Rough Word-by-word:
they say to him, "Teacher, this the woman was taken down on the very act committing adultery."

Smooth Translation:
they said to him, "Teacher, this woman was taken in the very act of committing adultery."

λέγουσιν verb present active indicative 3rd plural from λέγω (I say) "they say"

αὐτῷ pronoun dative singular masculine "to him"

Διδάσκαλε noun vocative singular masculine "Teacher"

αὕτη demonstrative pronoun nominative singular feminine "this"

ἡ definite article nominative singular feminine "the"

γυνὴ noun nominative singular feminine "woman"

κατείληπται perfect passive indicative 3rd singular from καταλαμβάνω (I take down) "was taken down"

ἐπ’ preposition with dative "on"

αὐτοφώρῳ adjective dative singular neuter "the very act"

μοιχευομένη present middle participle nominative singular feminine from μοιχεύω (I commit adultery) "committing adultery"