すべての条件文：混合条件文と if の代替表現

この練習では、ゼロ、第一、第二、第三、混合条件文を含むすべての条件文の構文を学習します。if の代わりに使える表現（unless、provided that、in case）や、Had I known や Were he to ask のような倒置構文も練習します。これらの表現は、可能性、後悔、仮定、条件などを明確かつ自然に伝えるのに役立ちます。英語の複雑な文構造に自信を持ちたい学習者に最適です。

1. _____, he would be leading the project.

If he was more experienced

Were he more experienced

If he would be more experienced

2. _____, she would have passed the exam.

If she had studied harder

Had she studied harder

If she would study harder

3. _____, it melts.

If you heat ice

Were you to heat ice

Had you heated ice

4. _____, please contact reception.

If you should need assistance

Should you need assistance

Unless you need assistance

5. _____, I wouldn't have applied.

If it weren't her encouragement

But for her encouragement

If she had encouraged me

6. _____, we would have gone hiking.

If it hadn't rained

Had it not been for the rain

If it wouldn't have rained

7. _____, she could reach the top shelf.

Were she taller

If she were taller

If she would be taller

8. _____, I would have left later.

If I would have known about the delay

Had I known about the delay

Unless I had known about the delay

9. _____, I might have helped you.

If you had told me earlier

Had you told me earlier

If you would tell me earlier

10. _____, I would reconsider.

If I were being in your position

If I had been in your position

Were I in your position

11. _____, she wouldn't forgive him.

Even if he apologized

If he would apologize

Should he apologize

12. _____, I wouldn’t trust him.

Were I you

If I were you

If I would be you