～としても— Even Supposing

• たとえ雨が降るとしても、試合は行われます。

  Tatoe ame ga furu to shite mo, shiai wa okonawaremasu.

  Even if it rains, the match will be held.

  としても concedes the rain but says the outcome (the match) stands.

• その話が本当だとしても、私は驚かない。

  Sono hanashi ga hontou da to shite mo, watashi wa odorokanai.

  Even supposing that story is true, I won't be surprised.

  としても grants the premise ('true') yet the reaction is unchanged.

• 急いだとしても、間に合わないだろう。

  Isoida to shite mo, maniawanai darou.

  Even if I hurry, I probably won't make it.

  としても admits the hurrying but denies it changes the result.

• ・Often paired with たとえ ('even if') at the front for emphasis.
• ・Grants a hypothesis, then denies that it affects the conclusion.
• ・Register: neutral; common in argument and discussion.

Commonly confused with

The JLPT rarely asks whether you recognise a pattern — it asks which of several similar patterns fits. These are the ones ～としても is tested against.

• さえ〜ば — If Only This One Thing
• ～てからでないと／～てからでなければ — Not Until You First
• ～としたら／～とすれば／～とすると — Assuming That
• ～ないことには — Unless You First Do This
• ～ものなら — If Only I Could