だろう
コンピューターがなければ、現在の世界は存在しないだろう。
Without computers, the modern world would not exist.
彼女が歌っているのを聞くなら、プロだとわかるだろう。
To hear her sing, you would think she is a professional.
10年前だったら、そんな手術は不可能だったろう。
If it had been ten years ago, such an operation would have been impossible.
Johnは信頼のおける人だった、そうでなければ、彼に助けは求めなかったろう。
If John had not been a reliable person, he wouldn't have asked him for help.
スマートフォンがなければ、現在の世界は存在しないだろう。
Without smartphones, the modern world would not exist.
もし本当の友人なら、そんなことは言わないだろう。
If you were a true friend, you would never say such a thing.
5年前だったら、そんな手術は不可能だったろう。
If it had been five years ago, such an operation would have been impossible.
Johnは強い人だった、そうでなければ、彼に助けは求めなかったろう。
If John had not been a strong person, we wouldn't have asked him for help.
コーヒーがなければ、スターバックスは存在しないだろう。
Without coffee, Starbucks would not exist.
彼女が話しているのを聞くなら、プロだとわかるだろう。
To hear her speak, you would think she is a professional.
10年前だったら、そんな手術は不可能だったろう。
(if なし)
Ten years ago, such an operation would have been impossible.
Johnは信頼のおける人だった、そうでなければ、彼に助けは求めなかったろう。
(if なし)
John was a reliable person; otherwise, we wouldn't have asked him for help.
コーヒーがなければ、スターバックスは存在しないだろう。
(without なし)
But for coffee, Starbucks would not exist.
If it were not for...
Were it not for...
もし本当の敵なら、そんなことは言わないだろう。
If you were a true enemy, you would never say such a thing.
もし去年だったら、あの冗談は面白かっただろう。
If it had been last year, that joke would have been funny.
この映画は面白い、そうでなければ、12回も観たりしない。
If this movie had not been interesting, I wouldn't have watched it twelve times.
もし去年の失敗がなければ、今の成功はないだろう。
Without last year's failure, there would be no success today.
彼の本を読むなら、天才だとわかるだろう。
(if なし)
To read his book, you would think he is a genius.
もしあの時、私がリーダーだったら、違う決断をしただろう。
If I had been the leader at that time, I would have made a different decision.
今日は信号が全部青だった。そうでなければ、遅刻していたところだ。
Today, every traffic light was green. Otherwise, I would have been late.