Sequence of tenses. / Temporal Logic

Question 1

The choice of subjunctive tense depends on the time of action if the main verb

Answer 1

1. Action in the present or the future
2. Action considered counterfactual proposition of strong doubt.
3. Action is in the past timeframe up to the present whose influence is still in effect.
4. Action that is viewed as prior to some other action in the past.

Question 2

Action is in the present or the future

Answer 2

I pray to God that John comes to the party.

Ojalá que Juan venga a la fiesta.

( Present subjunctive)

Question 3

Action considered counterfactual proposition of strong doubt.

Answer 3

I wish to God John were coming to the party.

Ojalá que Juan viniera a la fiesta.

( Imperfect Subjunctive )

Question 4

Action is in the post timeframe to the present whose influence is still in effect

Answer 4

I pray to God that Juan has come to the party

Ojalá que Juan haya venido a la fiesta.

( Present perfect subjunctive )

Question 5

Action that is viewed as prior to some of the action in the past.

Answer 5

I wish to God that Juan had come to the party.

Ojalá que Juan hubiera venido a las fiesta

( Pluperfect subjunctive)