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

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

Modal Verbs

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