Если бы она была здесь, она бы заметила его

the if- clause the main clause

2) If we had had a rope, we could have saved him. (The Perfect

Если бы у нас (тогда) был канат, Subjunctive)

Мы бы спасли его

the if- clause the main clause

Unit 2 Three Types of Conditional Sentences

1. So, both the Indicative Mood and the Subjunctive Mood are used in conditional sentences to express different types of condition and consequence.

The verb in the Indicative Mood in one of the present tenses expresses a real condition and a real consequence:

If it rains, I shall stay at home.