ο definite article - nominative singular masculine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
δε conjunction
de  deh: but, and, etc. -- also, and, but, moreover, now (often unexpressed in English).
πετρος noun - nominative singular masculine
Petros  pet'-ros: as a name, Petrus, an apostle -- Peter, rock.
επεμενεν verb - imperfect active indicative - third person singular
epimeno  ep-ee-men'-o: to stay over, i.e. remain (figuratively, persevere) -- abide (in), continue (in), tarry.
κρουων verb - present active passive - nominative singular masculine
krouo  kroo'-o:  to rap -- knock.
ανοιξαντες verb - aorist active passive - nominative plural masculine
anoigo  an-oy'-go: to open up (literally or figuratively, in various applications) -- open.
δε conjunction
de  deh: but, and, etc. -- also, and, but, moreover, now (often unexpressed in English).
ειδον verb - second aorist active indicative - third person
eido  i'-do: to see; by implication, (in the perfect tense only) to know
αυτον personal pronoun - accusative singular masculine
autos  ow-tos': the reflexive pronoun self, used of the third person , and (with the proper personal pronoun) of the other persons
και conjunction
kai  kahee: and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words
εξεστησαν verb - second aorist active indicative - third person
existemi  ex-is'-tay-mee: to put (stand) out of wits, i.e. astound, or (reflexively) become astounded, insane -- amaze, be (make) astonished, be beside self (selves), bewitch, wonder.