ει conditional
ei  i: if, whether, that, etc. -- forasmuch as, if, that, (al-)though, whether.
ταυτα demonstrative pronoun - accusative plural neuter
tauta  tow'-tah: these things -- + afterward, follow, + hereafter, him, the same, so, such, that, then, these, they, this, those, thus.
οιδατε verb - perfect active indicative - second person
eido  i'-do: to see; by implication, (in the perfect tense only) to know
μακαριοι adjective - nominative plural masculine
makarios  mak-ar'-ee-os: supremely blest; by extension, fortunate, well off -- blessed, happy(-ier).
εστε verb - present indicative - second person
este  es-teh': ye are -- be, have been, belong.
εαν conditional
ean  eh-an': before, but, except, (and) if, (if) so, (what-, whither-)soever, though, when (-soever), whether (or), to whom, (who-)so(-ever).
ποιητε verb - present active subjunctive - second person
poieo  poy-eh'-o: to make or do (in a very wide application, more or less direct)
αυτα personal pronoun - accusative plural neuter
autos  ow-tos': the reflexive pronoun self, used of the third person , and (with the proper personal pronoun) of the other persons