にひきかえ => In contrast to A N1
Comparison/ Exchange
と([思「おも」]う、[言「い」]う、[考「かんが」]える) => That A N4
Particles
と[思「おも」]いきや => Even though A (was thought/expected), different result B N1
Contrast/Surprise
かと[思「おも」]ったら/かと[思「おも」]うと => Athough A, B., As soon as I noticed A, B, almost immediately after A, B N2
Time, Situation
だろうと[思「おも」]う => I think probably A N4
Sentence Endings
ようと[思「おも」]う => I think I will A N4
Causative, Passive, Volitional
[必要「ひつよう」]はない => It is not necessary for A to be done N2
Needs, Requirements
に[基「もと」]づいて/に[基「もと」]づき/に[基「もと」]づく => Based on A N2
Based, Focused, Depending on
といえば/というと/といったら => N3
Considering, Concerning
ことになっている => Plan, rule, decide N2
Information, Report
ことのないように => So as not to A N1
Will, Decision, Doing
といい~といい => Based on A and B, considering A and B N1
Reason, Result, Response