υμεις personal pronoun - second person nominative plural
humeis  hoo-mice': you (as subjective of verb) -- ye (yourselves), you.
δε conjunction
de  deh: but, and, etc. -- also, and, but, moreover, now (often unexpressed in English).
βλεπετε verb - present active middle - second person
blepo  blep'-o: to look at -- behold, beware, lie, look (on, to), perceive, regard, see, sight, take heed.
ιδου verb - second aorist active middle - second person singular
idou  id-oo': used as imperative lo!; -- behold, lo, see.
προειρηκα verb - perfect active indicative - first person singular
proereo  pro-er-eh'-o: to say already, predict -- foretell, say (speak, tell) before.
υμιν personal pronoun - second person dative plural
humin  hoo-min': to (with or by) you -- ye, you, your(-selves).
παντα adjective - accusative plural neuter
pas  pas: apparently a primary word; all, any, every, the whole