If I ____________ (forget) my umbrella yesterday, I __________ (get) wet.
If I hadn’t forgotten my umbrella yesterday, I wouldn’t have got wet.
I ________ (pass) the exams if I _______ (study) harder.
I would have passed the exams if I had studied harder
We ________ (make) that decision if we __________ (know) about the software problems.
We wouldn’t have made that decision if we had known about the software problems