before

beforeとは　意味・定義・例文

Adverb 副詞

ビふォー US /bɪˈfɔr/ UK /bɪˈfɔː/

1. at an earlier time

前に, 以前に

I lived in London before.

Conjunction 接続詞

ビふォー US /bɪˈfɔr/ UK /bɪˈfɔː/

1. earlier than the time when

...する前に

I'll do it now before I forget.

Preposition 前置詞

ビふォー US /bɪˈfɔr/ UK /bɪˈfɔː/

1. in front of

...の前に, ...の面前に

It happened just before my eyes.

2. earlier than

...より早く, ...より前に, ...より先に

I want to be home before dark.