Answer:
1. Hayas negociado
2. Haya hecho
3. Haya estado
4. Haya llovido
Explanation:
1. Son, I hope you (negotiated) your contract with good benefits.
2. We don't think that the architect (already made) the plans.
3. Shame that the bread (was not ) ready when we passed by the bakery.
4. I hope it (didn't rain) last night so we can go on a walk!
