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)
Example: Conjugation on the Latin verb "Esse"   
sum, es, est, sumus, estis, sunt (Affirmative, Present Simple)
eram, erâs, erat, erâmus, erâtis, erant (Affirmative, Past Simple)
erô, eris, erit, erimus, eritis, erunt (Affirmative, Future Simple)

Popular Verbs

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

Modal Verbs

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