Protasis (if)	Apodosis (then)
indicative
Simple present	Present indicative	Present indicative
Is/is	Si Caesar ad Galliam venit	vincit
Simple past	Imperfect or perfect indicative	Imperfect or perfect indicative
	Si Catullus Lesbiam amabat,	gaudêbat.
	Si Catullus rosâs Lesbiae dedit,	eum laudâvit.
Simple future "future more vivid"	Future indicative	Future indicative
Is/will	Si Catullus rosâs Lesbiae dabit,	gaudêbit.
subjunctive
Contrary to fact present	Imperfect subjunctive	Imperfect subjunctive
Were/would	Si Cicero Caesarem amaret,	Caesar gauderet.
Contrary to fact past	Pluperfect subjunctive	Pluperfect subjunctive
Had/would	Si Britanniam Caesar vicisset,	Cicero eum laudâvisset.
Future less vivid	Present subjunctive	Present subjunctive
Should/would	Si Horatius malum librum scribat,	populi Romani eî noceant

Subjunctive Syntax so far:
Independent Subjunctive

• Jussive "let …"

• Purpose Clause [ut/ne + subjunctive]
• Result Clause [ut/ut nôn + subjunctive] {indicator: adeo, ita, sîc, talis, tam, tantus, tot }
• Indirect Question {Main verb = ? verb; clause marker = ? marker: quis/quid, qui, quae, quod, quam quandô, cûr, ubi, unde, uter, utrum … an }
• Cum:
• Cum + preposition: next word will be ABLATIVE: with…
• Cum temporal [with indicative verb]: when…
• Cum circumstantial [with subjunctive verb]: while…
• Cum Causal [with subjunctive verb]: since…
• Cum Adversative [with subjunctive verb]: although…
• Proviso: clause marker is dummodo (provided that…, so long as…)