Japanese - Ask questions thread

Basically if you have a question about the language, ask it and fellow 4channers might see it and answer it for you.

To start it off. When an animate object (iru) dies, is it considered inanimate(aru)?

>>983
りんごの尻のジェーンズの意味がわからなくって、探さないといけなかった。けっこう可愛いジェーンズ。セクシーだな。
ところで、Is there a past tense form of the informal have to do, as in the formal form, 探さないといけななかった？