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)
Example: Conjugation on the Russian verb "быть"   
я буду,  ты будешь,  .....  они будут    (Affirmative, Future Tense)
я не буду,  ты не будешь,  .....  они не будут    (Negative, Future Tense)
был я была́ она .....   мы бы́ли (Interrogative, Past Tense)

Popular Verbs

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

Modal Verbs

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