Conditonal tense with conjecture regarding the past

[cmon]

The Clarks must have had their dinner party last Friday.
Los Clark habrían tenido su cena con invitados/convite el viernes pasado.

The guests were probably boring and the food was probably not very good.
Los invitados serían aburridos y la comida no sería muy buena.

I wonder if the wife knows that everyone thinks she is a lousy hostess.
Sabrá la esposa que todo cree que ella es una anfitriona terrible.

There were probably about twenty people at the dinner party.
Habrían unas veinte personas en el convite.

They were most likely drunk by midnight.
Estaríán borrachos por medianoche.

Might Sara have known that she wasn't invited?
Sabría Sara que ella no invitaron?

Her ex-husband probably told them not to invite her.
Su ex marido les diría no invitarla.

If she had attended the dinner party, he would have had to talk to her.
Si ella asistiera a el convite, él habría tenido hablar con ella.

He would have hated that.
Él lo habría odiado (eso?).

I hear that he has a new girlfriend. Could it be Julie?
Oigo que él tiene una nueva novia. Será Julie?

I don't believe that Julie was at the dinner party.
No creo que Julie asistiera a el convite.

Marie would have told me if Steve had brought her.
Marie me diría si Steve la trajera.

Julie might be too good for him.
Julie sería demasiado buena para él.

Could Julie and Sara have ever met?
Se conocerían Sara y Julie?

They must have the same lack of judgement about men.
Tendrían el mismo falta de juicio sobre/con respecto a los hombres.

I'm sure that I was invited to the dinner party.
Mi invitación se perdería en el correo.

I wonder what time the dinner party ended.
Qué tiempo sería cuando el convite se terminó.

It was most likely way past my bedtime anyway.
Sería la hora pasada de me acuesto de todos modos.