Si tan solo estuviera presente en la discusión, muchas cosas serían diferentes.
If only he were present in the discussion, many things would be different.
Context: society Me resulta complejo entender qué decisiones tomaría si estuviera en esa situación crítica.
I find it complex to understand what decisions he would make if he were in that critical situation.
Context: society La situación hubiera cambiado drásticamente si él estuviera involucrado en el proyecto.
The situation would have changed dramatically if he were involved in the project.
Context: business