I have found this rule in a grammar book: Mixed conditionals:
If +past perfect- could/would + infinitive for imaginary past events and their hypothetical consequences in the present. And that is OK. But what has surprised me was this second form:
If + pas simple , would/could + perfect infinitive for imaginary n present situations, and their hypothetical consequences in the past (?!). Never seen anything like that in any English grammar before!!!
Quite peculiar to use such a form in a grammar book for B2 English, I think. Happy to read your opinion
An example of the first one, based on the pattern that you gave (if - past perf. "
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
An example of the first one, based on the pattern that you gave (if - past perf. - could/would - infinitive):
"If I had majored in philosophy instead of accounting when I was in college, this could have caused me to be a happier person today."
A rather forced and grammatically edgy example of the second one, based on the pattern that you gave (if - simple past - would/cou