Be

だ

da

(used to indicate that the values on either side of an equation are the same)

だ

da

(used to indicate that the subject plays the role of the predicate nominal)

だろう

darō

(auxiliary: used to express intent, obligation, appropriateness or relative future occurrence)

である

dearu

(used to indicate that the values on either side of an equation are the same)

である

dearu

(used to indicate that the subject plays the role of the predicate nominal)

です

desu

(used to indicate that the values on either side of an equation are the same)

です

desu

(used to indicate that the subject plays the role of the predicate nominal)

られる

rareru

(auxiliary: used to form the passive voice)

れる

reru

(auxiliary: used to form the passive voice)