The third conditional is an if-then proposition that expresses an impossible situation: if something had happened (the condition), then something else would have happened (the result). The condition is expressed with the pluperfect subjunctive and the impossible result is indicated with the pluperfect subjunctive or else the conditional perfect.
Knowing how to tell time is essential for traveling, meeting up with friends, making appointments, and getting to work or school on time. Once you learn these formulas, you’ll never have an excuse to be late again!
Todo is a very common and versatile word in Spanish. It can be used as an adjective or as a pronoun.