~ませんか => Let's…, Would you like to... N5
Verb suffixes
て下さいませんか => Please do A (polite) N5
Asking and Telling
にひきかえ => In contrast to A N1
Comparison/ Exchange
をくださいませんか => Please give me A (polite) N5
Asking and Telling
~ます/~ません => Polite, present form N5
Verb suffixes
[必要「ひつよう」]はない => It is not necessary for A to be done N2
Needs, Requirements
せいで/せいか => Because of A, B N3
Reason, Result, Response
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
つつ/つつも => While A, B. Although A (is beng done), B N2
Information, Report
あかつきには => After A then B N1
Time, Situation
いかんでは,いかんによっては => Considering A, depending on A N1
Based/focused/depending on
いかんにかかわらず,いかんによらず => Regardless of A (A is a reason, response, result) N1
Based/focused/depending on