если бы вы предупредили нас заранее

если бы вы предупредили нас заранее, мы бы сделали перевод в нужном формате

Results (English) 1:

if you have warned us in advance, we would have translated into the proper format

Results (English) 2:

If you had warned us in advance, we would have done a translation in the format

Results (English) 3:

If you have advised us in advance, we would have done so translated in the right format more multitasking performance