〜~ means "whether A or B": it names two possibilities and
then says something that holds in either case. Each half takes the plain form
of a verb or an い-adjective, or a bare noun or な-adjective.
、。
Whether you go or don't go, please decide quickly.
、。
Whether you agree or disagree, you should state your opinion.
、。
Whether it's meat or fish, you should choose something fresh.
、。
Whether you succeed or fail, it's worth trying.
The two halves are a verb and its negative, a pair of opposites, or two items
from the same group. The second half of the sentence is an opinion, advice or
a fact that does not change: "either way".
A noun or a な-adjective takes no before にしろ.
にしろ, にせよ and にしても
〜~ means the same and is stiffer, mostly written.
〜~ is the one you hear most in conversation. にしろ sits
between them.
、。
Whether you agree or disagree, please write down your reasons.
、。
Whether you go or not, let me know.