〜と（条件） to
〜と（条件）（to）means “whenever; when; if (natural/inevitable result)”. Conditional 'to' joins two clauses: when the first happens, the second naturally and inevitably follows. Formation: V-る + と ／ V-ない + と ／ Aい + と ／ ナA + だと ／ N + だと
whenever; when; if (natural/inevitable result)
N4Formation
V-る + と ／ V-ない + と ／ Aい + と ／ ナA + だと ／ N + だと
Explanation
Conditional 'to' joins two clauses: when the first happens, the second naturally and inevitably follows. Used for general truths, habits, natural laws, and directions. The second clause cannot express a command, request, or invitation.
Examples
Note
Don't end the second clause with a command/request/invitation; use 〜たら or 〜ば (with limits) for those.
FAQ
〜と（条件） — what does it mean and how is it used?
whenever; when; if (natural/inevitable result). Conditional 'to' joins two clauses: when the first happens, the second naturally and inevitably follows. Used for general truths, habits, natural laws, and directions. The second clause cannot express a command, request, or invitation.
〜と（条件） — how do you form it?
V-る + と ／ V-ない + と ／ Aい + と ／ ナA + だと ／ N + だと
〜と（条件） — any usage notes?
Don't end the second clause with a command/request/invitation; use 〜たら or 〜ば (with limits) for those.