ところを/ところに/ところへ => At time/situation A N2
Information, Report
たことがある => Have done A before N4
Situations and Experiences
こそあれ => Although A (A is some negative attribute) N1
Contrast/Surprise
ことがある => There are times when A (occurs/exists) N4
Situations and Experiences
ことにする => Decide to N4
Causative, Passive, Volitional
によらず => Regardless of A N1
Based/focused/depending on
ことから => Displays reason A for effect B N2
Reason, Result, Response
[中心「ちゅうしん」]に => With A as the center N2
Miscellaneous
ことになる => To decide that A N4
Causative, Passive, Volitional
に[越「こ」]したことはない => It's better if A, it's better if it's A N1
Comparison/ Exchange
に[答「こた」]えて => In response to A N2
Reason, Result, Response
ことなしには => Without doing A, B N1
Conditional, While