こそすれ => B is definitely not so (strongly emphasized) N1
Contrast/Surprise
てこそ => Now since A... N2
Reason, Result, Response
ばこそ => Because of A N1
Reason, Result, Response
こそ~が => Although A is B N1
Contrast/Surprise
ことにする => Decide to N4
Causative, Passive, Volitional
そこで => Considering the situation A, B N2
Considering, Concerning
こそ => A (often a reason/cause) is very strongly emphasized. N3
Reason, Result, Response
こそあれ => Although A (A is some negative attribute) N1
Contrast/Surprise
ぐらいのものだ => Only A N1
(Not)only , (Not) even
ぐるみ => All of A, the entire A N1
Degree/ Level/Amount
[少「すこ」]しも~ない => Not (even a little) A N3
Not only, Not even
くらいだ/ぐらいだ => Around/about N5
Amount