否定形 => Negative form N5
Conjugate verbs
予定だ => plan to, intend to N4
恐らく => perhaps; likely; probably; I dare say ~ N2
[恐「おそ」]れがある => There is a chance of A N2
Potential, Possibility
恐れがある => it is feared that; to be in danger of; to be liable to; possibility of; risk of ~ N2