John 6:36

ἀλλ' εἶπον ὑμῖν ὅτι καὶ ἑωράκατέ καὶ οὐ πιστεύετε.

Rough Word-by-word:
but I said to you all that also you all have seen and not you all believe.

Smooth Translation:
but I said to you that you also have seen and you do not believe.

or

but I said [this] to you because you also have seen and do not believe.

Notes:
They have seen - note the perfect and yet they are not now believing - note the present.
I'm reminded of those at the end of John 9 that said they "saw."

ἀλλ' strong adversative conjunction "but"

εἶπον verb aorist active indicative 1st singular from λέγω (I say) "I said"

ὑμῖν pronoun dative 2nd plural "to you all"

ὅτι conjunction "that, because"

καὶ conjunction "also" (adverbial use)

ἑωράκατέ verb perfect active indicative 2nd plural from ὁράω (I see) "you all have seen"

καὶ conjunction "and"

οὐ adverb of negation "not"

πιστεύετε verb present active indicative 2nd plural from πιστεύω (I believe) "you all believe"

John 6:35

εἶπεν οὖν αὐτοῖς ὁ Ἰησοῦς· ἐγώ εἰμι ὁ ἄρτος τῆς ζωῆς· ὁ ἐρχόμενος πρός ἐμὲ οὐ μὴ πεινάσῃ, καὶ ὁ πιστεύων εἰς ἐμὲ οὐ μὴ διψήσει πώποτε.

Rough Word-by-word:
he said therefore to them the Jesus, "I I am the bread the of life. The one who comes to me not not he might hunger, and the one who believes in me not not he will thirst anytime.

Smooth Translation:
Therefore Jesus said to them, "I myself am the bread of life. The one who comes to me never might hunger, and the one who believes in me will never thirst anytime.

εἶπεν verb aorist active indicative 3rd singular from λέγω (I say) "he said"

οὖν post positive conjunction "therefore"

αὐτοῖς pronoun dative plural masculine "to them"

ὁ definite article nominative singular masculine "the"

Ἰησοῦς proper noun nominative singular masculine "Jesus"

ἐγώ pronoun nominative 1st singular "I"

εἰμι verb present indicative 1st singular from εἰμί (I am) "I am"

ὁ definite article nominative singular masculine "the"

ἄρτος noun nominative singular masculine "bread"

τῆς definite article genitive singular feminine "the"

ζωῆς noun genitive singular feminine "of life"

ὁ definite article nominative singular masculine "the"

ἐρχόμενος present middle participle nominative singular masculine from ἔρχομαι (I come) "one who comes"

πρός accusative preposition "to, toward"

ἐμὲ pronoun accusative 1st singular "me"

οὐ adverb of negation "not" (indicative)

μὴ adverb of negation "not" (non-indicative)

πεινάσῃ verb aorist active subjunctive 3rd singular from πεινάω (I hunger) "he might hunger"

καὶ conjunction "and"

ὁ definite article nominative singular masculine "the"

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

εἰς accusative preposition "into, unto"

ἐμὲ pronoun accusative 1st singular "me"

οὐ adverb of negation "not" (indicative)

μὴ adverb of negation "not" (non-indicative)

διψήσει verb future active indicative 3rd singular from διψάω (I thirst) "he will thirst"

πώποτε adverb "anytime"

John 6:34

εἶπον οὖν πρὸς αὐτόν· κύριε, πάντοτε δὸς ἡμῖν τὸν ἄρτον τοῦτον.

Rough Word-by-word:
They said therefore to him, "Lord, always give to us the bread this."

Smooth Translation:
Therefore they said to him, "Lord, always give us this bread"

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

οὖν post positive conjunction "therefore"

πρὸς accusative preposition "to, toward"

αὐτόν pronoun accusative singular masculine "him"

κύριε noun vocative singular masculine "Lord"

πάντοτε adverb "always"

δὸς verb present active imperative 2nd singular from δίδωμι (I give) "you give"

ἡμῖν pronoun dative 1st plural "to us"

τὸν definite article accusative singular masculine "the"

ἄρτον noun accusative singular masculine "bread"

τοῦτον demonstrative pronoun accusative singular masculine "this"

John 6:33

ὁ γὰρ ἄρτος τοῦ θεοῦ ἐστιν ὁ καταβαίνων ἐκ τοῦ οὐρανοῦ καὶ ζωὴν διδοὺς τῷ κόσμῳ.

Rough Word-by-word:
the for bread the of God is the one coming down from the heaven and life giving to the world.

Smooth Translation:
For the bread of God is the one coming down from heaven and giving life to the world.

ὁ definite article nominative singular masculine "the"

γὰρ post positive conjunction "for"

ἄρτος noun nominative singular masculine "bread"

τοῦ definite article genitive singular masculine "the"

θεοῦ proper noun genitive singular masculine "of God"

ἐστιν verb present indicative 3rd singular from εἰμί (I am) "it [he] is"

ὁ definite article nominative singular masculine "the"

καταβαίνων present active participle nominative singular masculine from καταβαίνω (I come down) "one coming down"

ἐκ genitive preposition "from, out of"

τοῦ definite article genitive singular masculine "the"

οὐρανοῦ noun genitive singular masculine "of heaven"

καὶ conjunction "and"

ζωὴν noun accusative singular feminine "life"

διδοὺς present active participle nominative singular masculine from δίδωμι (I give) "giving"

τῷ definite article dative singular masculine "to the"

κόσμῳ noun dative singular masculine "world"

John 6:32

εἶπεν οὖν αὐτοῖς ὁ Ἰησοῦς· ἀμὴν ἀμὴν λέγω ὑμῖν, οὐ Μωϋσῆς δέδωκεν ὑμῖν τὸν ἄρτον ἐκ τοῦ οὐρανοῦ, ἀλλ' ὁ πατήρ μου δίδωσιν ὑμῖν τὸν ἄρτον ἐκ τοῦ οὐρανοῦ τὸν ἀληθινόν.

Rough Word-by-word:
He said therefore to them the Jesus, "Amen Amen I say to you, not Moses has given to you the bread from the heaven, but the father of me he is giving to you the bread from the heaven the true."

Smooth Translation:
Therefore Jesus said to them, "Amen, Amen I say to you, Moses has not given you the bread from heaven, but my father is giving you the true bread from heaven."

εἶπεν verb aorist active indicative 3rd singular from λέγω (I say) "he said"

οὖν post positive conjunction "therefore"

αὐτοῖς pronoun dative plural masculine "to them"

ὁ definite article nominative singular masculine "the"

Ἰησοῦς proper noun nominative singular masculine "Jesus"

ἀμὴν adverb "truly"

ἀμὴν adverb "truly"

λέγω verb present active indicative 1st singular from λέγω (I say) "I say"

ὑμῖν pronoun dative 2nd plural "to you"

οὐ adverb of negation "not"

Μωϋσῆς proper noun nominative singular masculine "Moses"

δέδωκεν verb perfect active indicative 3rd singular from δίδωμι (I give) "he has given"

ὑμῖν pronoun dative 2nd plural "to you"

τὸν definite article accusative singular masculine "the"

ἄρτον noun accusative singular masculine "bread"

ἐκ genitive preposition "from, out of"

τοῦ definite article genitive singular masculine "the"

οὐρανοῦ noun genitive singular masculine "heaven"

ἀλλ' strong adversative conjunction "but"

ὁ definite article nominative singular masculine "the"

πατήρ noun nominative singular masculine "father"

μου pronoun genitive 1st singular "of me"

δίδωσιν verb present active indicative 3rd singular from δίδωμι (I give) "he gives, he is giving" (interesting use of the present by Jesus, here.)

ὑμῖν pronoun dative 2nd plural "to you"

τὸν definite article accusative singular masculine "the"

ἄρτον noun accusative singular masculine "bread"

ἐκ genitive preposition "from, out of"

τοῦ definite article genitive singular masculine "the"

οὐρανοῦ noun genitive singular masculine "heaven"

τὸν definite article accusative singular masculine "the"

ἀληθινόν adjective accusative singular masculine "true"

John 6:31

οἱ πατέρες ἡμῶν τὸ μάννα ἔφαγον ἐν τῇ ἐρήμῳ, καθώς ἐστιν γεγραμμένον· ἄρτον ἐκ τοῦ οὐρανοῦ ἔδωκεν αὐτοῖς φαγεῖν.

Rough Word-by-word:
the fathers of us the manna they ate in the desert, even as is having been written, "Bread from the heaven he gave to them to eat."

Smooth Translation:
Our fathers ate the manna in the desert, even as it written, "Bread from heaven he gave them to eat."

οἱ definite article nominative plural masculine "the"

πατέρες noun nominative plural masculine "fathers"

ἡμῶν pronoun genitive 1st plural "of us"

τὸ definite article nominative singular neuter "the"

μάννα noun nominative singular neuter "manna"

ἔφαγον verb aorist active indicative 3rd plural from ἐσθίω (I eat) "they ate"

ἐν dative preposition "in"

τῇ definite article dative singular feminine "the"

ἐρήμῳ noun dative singular feminine "desert"

καθώς conjunction "even as"

ἐστιν verb present indicative 3rd singular from εἰμί (I am) "it is"

γεγραμμένον perfect passive participle accusative singular neuter from γράφω (I write) "having been written"

ἄρτον noun accusative singular masculine "bread"

ἐκ genitive preposition "from, out of"

τοῦ definite article genitive singular masculine "the"

οὐρανοῦ noun genitive singular masculine "heaven"

ἔδωκεν verb aorist active indicative 3rd singular from δίδωμι (I give) "he gave"

αὐτοῖς pronoun dative plural masculine "to them"

φαγεῖν verb aorist active infinitive from ἐσθίω (I eat) "to eat"

John 6:30

εἶπον οὖν αὐτῷ· τί οὖν ποιεῖς σὺ σημεῖον, ἵνα ἴδωμεν καὶ πιστεύσωμέν σοι; τί ἐργάζῃ;

Rough Word-by-word:
they said therefore to him, "What therefore are you doing you sign, that we might see and we might believe you? What are you working?"

Smooth Translation:
"Therefore they said to him, "What sign are you, yourself doing, that we might see and believe you? What are you working?"

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

οὖν post positive conjunction "therefore"

αὐτῷ pronoun dative singular masculine "to him"

τί interrogative pronoun accusative singular neuter "what"

οὖν post positive conjunction "therefore"

ποιεῖς verb present active indicative 2nd singular from ποιέω (I do) "are you doing"

σὺ pronoun nominative 2nd singular "you" (used for emphasis here, "you, yourself")

σημεῖον noun accusative singular neuter "sign"

ἵνα conjunction with subjunctive "that"

ἴδωμεν verb aorist active subjunctive 1st plural from ὁράω (I see) "we might see"

καὶ conjunction "and"

πιστεύσωμέν verb aorist active subjunctive 1st plural from πιστεύω (I believe) "we might believe"

σοι pronoun dative 2nd singular "you"

τί interrogative pronoun accusative singular neuter "what"

ἐργάζῃ verb present middle indicative 2nd singular from ἐργάζομαι (I work) "you work"