We can use the third conditional to talk about an unrealistic, hypothetical past, in which the consequence has 0% chance of ever happening.
TRUE
If you don't vote, you will be punished.
first
If Bolsonaro wins the elections...
open answer
first or zero conditional
We can also use the third conditional to talk about possible situations in the past.
FALSE
If you don't do your research, you shouldn't vote.
zero
If I lived in America...
open answer
second conditional
We can use the third conditional to express regret.
TRUE
If I had more time, I would read about politics.
Second
If I had been in Chicago for Saint Patrick's Day, I...
open answer
third conditional
If I hadn't forgotten to vote, I wouldn't have had to pay a tax.
third
If I had studied more...
open answer
third conditional
If it hadn't been for love, I wouldn't have done a lot of things.
third
If I had saved more money...
open answer
third