John 3:36

ὁ πιστεύων εἰς τὸν υἱὸν ἔχει ζωὴν αἰώνιον· [δέ] ὁ ἀπειθῶν τῷ υἱῷ οὐκ ὄψεται ζωήν, ἀλλ' ἡ ὀργὴ τοῦ θεοῦ μένει ἐπ' αὐτόν,[.] UBS uses a period here.

Rough Word-by-word:
The one believing in the son he has life eternal. [, and] The one not persuaded to the son not will he see life, but the wrath the of God it [she] is remaining on him.

Smooth Translation:
The one believing in the son has eternal life. [, and] The one not believing the son will not see life, but the wrath of God is remaining on him.

ὁ definite article nominative singular masculine "the"

πιστεύων present active participle nominative singular masculine from πιστεύω (I believe) "one believing"

εἰς accusative preposition "in/ into"

τὸν definite article accusative singular masculine "the"

υἱὸν noun accusative singular masculine "son"

ἔχει verb present active indicative 3rd singular from ἔχω (I have) "he has"

ζωὴν noun accusative singular feminine "life"

αἰώνιον adjective accusative singular feminine from "eternal" (idiomatic)

δέ conjunction "and/but" (note: this conjunction is included in the UBS text)

ὁ definite article nominative singular masculine "the"

ἀπειθῶν present active participle nominative singular masculine from ἀπειθέω (I do not believe) "one not believing" (literally "the one not being persuaded")

τῷ definite article dative singular masculine "the"

υἱῷ noun dative singular masculine "son"

οὐκ adverb of negation "not"

ὄψεται future middle indicative 3rd singular from ὁράω (I see) "he will see"

ζωήν noun accusative singular feminine "life"

ἀλλ' strong adversative conjunction "but"

ἡ definite article nominative feminine singular "the"

ὀργὴ noun nominative feminine singular "wrath"

τοῦ definite article genitive singular masculine "the"

θεοῦ proper noun genitive singular masculine "of God"

μένει verb present active indicative 3rd singular from μένω (I remain) "it [she] is remaining"

ἐπ' preposition with accusative "on"

αὐτόν pronoun accusative singular masculine "him"