ἀπαρθῇ [3 verses](3rd sg aor subj pass) "Shall be taken" is apairo, which means "to lead off", "to lift off", "to carry off", "to remove", "to get rid of," and "to lead away." -- The term translated as "shall be taken" means "to lift off", "to carry off," and "to lead away."

ἀπαίτει. [2 verses](verb 2nd sg pres imperat act or verb 3rd sg imperf ind act) "Ask...again" is apaiteo, which means "demand back", "demand to have returned", "call down on oneself", passive, of things, "to be demanded in payment", and. of persons, "have demanded of one". The word literally means "from" (apo-) ask (aiteo). - The Greek verb translated as "ask...again" means "demand back", "demand to have returned", "call down on oneself", passive, of things, "to be demanded in payment", and. of persons, "have demanded of one". Jesus only uses this word twice. It only appears in Luke.

ἀπηλλάχθαι [1 verse](verb perf inf mp) "That thou may be delivered" is apallasso, which means "wish to be delivered from", and "wish to get rid of". *-- The next unique word is translated as "that thou may be delivered" and means "wish to be delivered from", and "wish to get rid of".  However, the form also has the subject acting on himself so "to have rid yourself". Again, the sense is again somewhat humorous. 

ἀπαντήσει  [2 verses]( verb 3rd sg fut ind act ) "Shall meet" is apantao, which means to "come or go to meet", "meet", "encounter" of a heavenly body, "meet", "agree to", "occur to one", and "fall in with". -- meet -- "Meet" is a verb that Jesus only uses here and in Luke version. It means to " meet face to face", "encounter", "meet with", and "come in contact with".  It is from a root that is frequently used that means "gather". The form gives it a third person masculine subject, so "he will meet you" or "he is going to meet". 

ἀρνήσηταί [9 verses](3rd sg fut ind mp or verb 3rd sg aor subj mp ) "Shall deny" is from aparneomai, which means "to deny utterly," "to refuse," "to reject," and "to deny." -- "Deny" is translated from a Greek word that means "to rejects" and "to deny utterly." The form is either the future tense or a tense meaning something that might happen at some specific time, past, present, or future. If the word is the "at some time" tense, it is in a form that indicates something that "might" happen. This later "might at some time" form is always used with "if" clauses, which is the sense here.