Conditional Clauses

These clauses are introduced by si = if or nisi = unless/ if…not, which state a condition on which the truth of the main clause depends. The "if" part is the subordinate part of the sentence. The "then" part is the main part.

	REAL	UNREAL
FUTURE	If: si + future perfect -in English present tense is usually used Then: Future tense si hoc feceris iratus ero if you do this I will be angry	If: si + present subjunctive Then: Present subjunctive si me audias  laetus sis If you could hear me you would be happy
PRESENT	If: si + indicative Then: indicative erras si haec dicis If you say this you are wrong	If: si + imperfect subjunctive Then: imperfect subjunctive si me videres laetus essem If you could see me now I would be happy
PAST	If: si + indicative Then: indicative   ille, si hoc dixit, erravit If he said this, he was wrong	If: si+ pluperfect subjunctive Then: pluperfect subjunctive si Caesar Britanniam occupavisset Romani laeti fuissent If Caesar had occupied Britain the Romans would have been happy

This page was written by Alex Fahmy

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