1-7-6

It is regrettable that you did not start earlier.
/ You ought to have started earlier.
君はもっと早く出発すればよかったのに。

I don’t know what has happened to him.
/ I don’t know what has become of him.
彼がどうなったか知らない。

She can play the piano best of all the firls.
/ She can play the piano better than any other girl.
/ No other girl can play the piano as well as she.
彼女は少女全員の中で、一番上手にピアノを弾く事ができる。

I have never seen a more beautiful sight that this.
/ This is the most beautiful sight that I have ever seen.
/ Never have I seen a more beautiful sight that this.
これほど美しい景色は見た事がない。

I am not so foolish as to quarrel with my bread and butter.
/ I know better than to quarrel with my bread and butter.
私は自分の職業を捨てるほど愚かではない。

The boys who have finished their homework may go home.
/ The boys whose homework has been finished may go home.
宿題を終えた子は帰宅してもよい。

The boy whom I tought to be honest deceived me.
/ The boy who I thought was honest deceived me.
正直だと思っていた少年が、私を騙した。

I have no money to buy the book with.
/ I have no money with which to buy the book.
私はその本を買えるお金がない。

A little more effort, and you will succeed.
/ With a little more effort, you will succeed.
もう少し努力すれば、あなたは成功するだろう。

Ten years ago his theory would not have been generally accepted.
/ If it had been ten years ago, his theory would not have been generally accepted.
１０年前なら、彼の理論は一般に受け入れられていなかっただろう。

If he had not worked hard, he would have failed in the examination.
/ He worked hard; otherwise he would have failed in the examination.
もし彼が一生懸命勉強しなかったら、彼は試験に落ちていただろう。
彼は一生懸命勉強した。そうでなかったら、試験に落ちていただろう。