Conjugation is the regular arrangement of the forms of the verb in the various voices
Example: Conjugation on the verb "to be"   
I am,  You are,  .....  They are    (Affirmative, Present Simple)
I have been, You have been, .....   They have been    (Affirmative, Present Perfect)
Not having been   (Negative, Past Participle)
Had I been? Had You been? .....   Had they been? (Interrogative, Past Perfect)

Popular Verbs

listen   fly   lay   hit   make   play   bring   fall asleep   decide   wear   watch   teach   read   talk   live   may   try   put   send   learn   break   think   sell   cross   hang   start   meet   change   take   work   burn   slim   cut   get married   open   come   allow   know   speak   write   swim   draw   dive   choose   get up   can   promise   use   begin   have   stay   drink   buy   become   conjugate   spend   get   pass   run   see   lie   wake   sing   borrow   will   go   love   carry   forget   wake up   give   drive   feel   wish   die   tell   act   lose   eat   ride   do   like   leave   be   win   show   study   sleep   hear   be born   fall   walk   cook   shall   remember   look   say   help   find   want   

Modal Verbs

Can (Could)    Must    Will (Would)    Shall (Should)    Ought    May (Might)