Question

If I had known that you were on leave, _______ (supply with conditional clause)​

Answer 1

Answer:

In a type 3 conditional sentence, the tense in the "if" clause is the past perfect, and the tense in the main clause is the perfect conditional or the perfect continuous conditional.

If clause (condition) Main clause (result)

If + past perfect perfect conditional or perfect continuous conditional

If this thing had happened that thing would have happened.