たことがある => Have done A before N4
Situations and Experiences
がた => Plural form(polite) N5
Amount
がっている => Want, like N4
Secondary Verb
かたがた => Using A as an opportunity/chance/way to B N1
Information, Report
したがって => Because of A, B N2
Reason, Result, Response
がっている => Wants to A N3
Will, Decision, Doing
んがため => For the purpose of doing A N1
Reason, Result, Response
がちです/がちになる => A tends to become/happen/occur N2
Potential, Possibility
~たり~たりする => Do things like V1,V2 N5
Verb suffixes
にたる,にたりる => Enough to/for A, Sufficient for A, Worthy of A N1
Need/Requirements
がたい => Hard to do A (almost impossible to A) N2
Adjectival, Descriptions
たが[最後「さいご」] => Once A occurs, B happens N1
Information, Report