hubieran conformado
Antecopréterito de subjuntivo para el sujetoellos/ellas/ustedesdel verboconformar.

conformar

Si no hubieran conformado, el ministerio habría sido en vano.
If they had not conformed, the ministry would have been in vain.
Pero, si se hubieran conformado a las exhortaciones recibidas, habría sido mejor para ellos y habrían salido más fortalecidos.
But if they had done what they were urged to do, it would have been better for them and far more strengthening.
Si los países del Sur hubieran conformado dicho frente, hubieran estado en condiciones de imponer sus condiciones a los acorralados acreedores.
Had the Southern countries constituted such a front, they would have been in a position to dictate their conditions to the creditors at their doors.
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el guion