方がいい, 方が良い, ほうが良い, 方がよい, ほうがいい, ほうがよい
Expression, after past tense verb
1. had better ...
See した方がいい, after negative verb
2. had better not ...
薬箱は子供の手の届かない所に置いとく方がいいよ。
だ
Auxiliary verb, copula, See である, See です, plain copula
be, is
た, だ
Auxiliary verb, だ after certain verb forms; indicates past or completed action
1. did, (have) done
indicates mild imperative
2. (please) do