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

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

Modal Verbs

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