Si clauses indicate possibilities, which may or may not become reality. They refer to the present, past, and future. These conditional sentences have two parts: the condition, or Si clause, and the main or result clause which indicates what will happen if the condition of the Si clause is met.
The tense of the result clause depends on the tense of the Si clause. In other words, the tense of the two clauses follow a prescribed sequence.
Answer: To tell time, state the number of minutes first, followed by the number of minutes until a certain hour, and then the number of minutes after the hour. In some countries they will leave the out the 'y' and in some countries they will use 'e' instead of the y.
