Practice.
Answer first, then read the explanation. Don't skip it — that's the whole point.
No _____ decirte cuál de los dos modelos es mejor. (saber)
I couldn't tell you which of the two models is better.
¿_____ llegar hasta allí sin el navegador del coche? (saber)
Would you know how to get there without the car's sat nav?
Un guía local _____ qué sendero evitar en invierno. (saber)
A local guide would know which path to avoid in winter.
Con un manual claro _____ montarlo en una tarde. (saber)
With a clear manual we would know how to assemble it in one afternoon.
Los técnicos _____ arreglarlo en menos de una hora. (saber)
The technicians would know how to fix it in less than an hour.
Dijo que _____ el resultado el lunes por la mañana. (saber)
She said she would know the result on Monday morning.
Yo no _____ vivir sin una lista de tareas al lado. (saber)
I wouldn't know how to live without a to-do list beside me.
Tú _____ qué decir en un momento así, yo me quedaría en blanco. (saber)
You would know what to say at a moment like that, I would go blank.
Nosotros _____ orientarnos mejor con un mapa en papel. (saber)
We would find our way better with a paper map.
Mis abuelos _____ curar eso con dos plantas del huerto. (saber)
My grandparents would know how to cure that with two plants from the garden.
Vosotros _____ explicarlo mucho mejor que yo. (saber)
You would know how to explain it much better than I would.
Cualquiera con experiencia _____ que ese plazo es muy corto. (saber)
Anyone with experience would know that that deadline is very tight.
¿_____ reconocer un buen aceite de oliva a ciegas? (saber)
Would you be able to recognise a good olive oil blind?
Nunca _____ agradecerte lo que hiciste aquella noche. (saber)
I would never know how to thank you for what you did that night.
Not just a green check. A short paragraph telling you why.
No streaks, no points, no leaderboards. Just questions.
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