方がいい, ほうがいい
Expression, after past tense verb
1. had better
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
copula, See である, See です, plain copula
1. be, is
Auxiliary verb, See た・1, た after certain verb forms; indicates past or completed action
2. did, (have) done
See た・2, indicates light imperative
3. please, do