させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
[事「こと」]だ => A is necessary/good (offering advice/suggestion) N3
Needs, Requirement
さえ/にさえ/でさえ => Even N3
Not only, Not even
さて => So N2
Miscellaneous
すら,ですら => Even A N1
(Not)only , (Not) even
の[末「すえ」]/た[末「すえ」] => conclusion N2
Reason, Result, Response
[事「こと」]ができる => Be able to A; can do A, Can A; be possible to A; N4
Causative, Passive, Volitional
くする/にする => To make, to change into N5
Change, cause and effect
[際「さい」]して/に([際「さい」]し)/に[際「さい」]しての => At the time of A (which starts now).. N2
Time, Situation
に[限「かぎ」]った[事「こと」]ではない => It's not limited to A, it's not only A N1
Degree/ Level/Amount
なさい => Do A (command) N4
Can, Should, Must
さ => Changes A into a noun N4
Sentence Endings