d’argent, j’aurais acheté
If I had had more money, I would have bought the pen.
Si j'avais eu plus d'argent, j'aurais acheté le stylo.
If I had had enough money, I would have bought the book.
Si j'avais eu assez d'argent, j'aurais acheté le livre.
Had I had enough money, I would have bought that computer.
Si j’avais eu assez d’argent, j’aurais acheté cet ordinateur.