This means 'even if' or 'no matter what'. It shows that something will happen for sure. It does not matter what the situation is.
Verb [dictionary form] + ともPrimary
い-Adjective + とも
な-Adjective + であろう + とも
Noun + であろう + とも
This means 'even if' or 'no matter what'. It shows that something will happen for sure. It does not matter what the situation is.
たとえ嵐が来ようとも、我々は計画を続行する。
Even if a storm may come, we will carry on with the plan.
いかに苦しくとも、最後まで諦めはしない。
No matter how painful it is, I will not give up until the very end.
相手が誰であろうとも、正義のために戦う所存です。
Whoever the opponent may be, I intend to fight for justice.
たとえ支援が得られぬとも、この研究を独力で完成させる覚悟だ。
Even if I cannot get support, I am prepared to complete this research on my own.
いかなる困難があろうとも、彼は決して弱音を吐かなかった。
No matter what difficulties there might have been, he never once complained or showed weakness.
This grammar shows you are very sure. You are saying something will happen no matter what. It is like saying, "I will do it, no matter what gets in my way."
This is different from "～ども" (domo). "～ども" means "although something happened." It talks about a real event. "～とも" means "even if something happens." It talks about something that might happen. It is also different from "～ば" (ba). "～ば" means "because something happened." It shows a cause and effect for a real event.
Don't use this when you are talking with friends. It sounds too serious. This is for formal writing or speeches. People use it in old sayings. For talking, use "~temo" or "~tatte" instead.
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