[上「あ」]げる => Just finished/completed A N3
Time, Situation
の[上「うえ」]では => As… N4
Situations and Experiences
がっている => Want, like N4
Secondary Verb
[上「うえ」]で => A done then B N2
Information, Report
がっている => Wants to A N3
Will, Decision, Doing
がちです/がちになる => A tends to become/happen/occur N2
Potential, Possibility
たことがある => Have done A before N4
Situations and Experiences
[上「うえ」]に => Not only A, but B as well N2
(Not)only, (Not) even
その[上「うえ」] => Not only A, but B (as well) N3
Not only, Not even
ことがある => There are times when A (occurs/exists) N4
Situations and Experiences
[上「うえ」]は => Because of A, B can't be helped/is expected N2
Reason, Result, Response
[恐「おそ」]れがある => There is a chance of A N2
Potential, Possibility