[一方「いっぽう」]だ => Change A continues, A does not stop N2
Miscellaneous
[一方「いっぽう」] => On one hand A, on the other, B; Although A, at the same time, B N2
Contrast,Surprise
さて => So N2
Miscellaneous
ては[初「はじ」]めて => Only after A did (I) B N3
Time, Situation
ておく => Do something N4
Secondary Verb
て、~で => Since V1then V2 N5
Change, cause and effect
てくれてありがとう => Thank you for doing A N4
Honorifics
こととて => Because A N1
Reason, Result, Response
にて => At A, by A N2
Time, Situation
てもらう => Do for N4
Give and take advice
てこそ => Now since A... N2
Reason, Result, Response
を[経「へ」]て => After A N1
Time, Situation