the standard translation of "would" in French is to use the
"subjonctif" tense of the verb (which follows would in your
phrase), or of the verb "vouloir" she would buy something (if she
could) = elle achèterait (si elle pouvait) or elle "voudrait
acheter" I would go to... (if I had enough money) = j'irais (si
j'avais assez d'argent) / je voudrais aller .... this is what I
would do : c'est ce que je ferais (si ...)