Если бы эта река была чистая, мы бы

Если бы эта река была чистая, мы бы давно в ней искупались

Results (English) 1:

If the River was clean, we would long ago have bathed in it

Results (English) 2:

If the river was clean, we'd have it swim

Results (English) 3:

if the river was clean, we would have it once before