[少「すこ」]しも~ない => Not (even a little) A N3
Not only, Not even
に[相違「そうい」]ない => No doubt N2
Information, Report
しまつだ => Denotes negative results A N1
Reason, Result, Response
つつ/つつも => While A, B. Although A (is beng done), B N2
Information, Report
に[違「ちが」]いない => Without a doubt, A N2
Information, Report
つ~つ => Doing A and B (repeatedly, one after another) N1
Information, Report
てしまう => Did something N4
Secondary Verb
つつある => In the middle of A; in the process of A N2
Time, Situation
[必要「ひつよう」]はない => It is not necessary for A to be done N2
Needs, Requirements
~ましょう。 => Let's (together), Shall I/we…? N5
Verb suffixes
でも[差「さ」]し[支「つか」]えない => It's OK if A, it doesn't matter if A N1
Need/Requirements
でしょう => I think... Probably.., I wonder if... N5
Miscellaneous