TIME CLAUSES FOR PAST TENSES TO INDICATE THE SEQUENCE OF EVENTS BEFORE (the main event happened before) BEFORE I FINISHED THE HIGH SCHOOL, I WENT TO NEW YORK TWICE. BEFORE I FINISHED THE HIGH SCHOOL, I HAD GONE TO NEW YORK TWICE. UNTIL (the main event happened before) UNTIL I FINISHED THE HIGH SCHOOL, I WENT TO NEW YORK TWICE. UNTIL I FINISHED THE HIGH SCHOOL, I HAD GONE TO NEW YORK TWICE. AFTER (the main event happened after) AFTER I FINISHED THE HIGH SCHOOL, I WENT TO EUROPE. AFTER I HAD FINISHED THE HIGH SCHOOL, I WENT TO EUROPE. BY THE TIME (the main event can happen before or after) BY THE TIME I ATE BREAKFAST, I HAD TAKEN A SHOWER. BY THE TIME I ATE BREAKFAST, I WENT TO WORK. ONCE (the main event happened IMMEDIATELY after the 1st one.) ONCE I FINISHED THE HIGH SCHOOL, I WENT TO MY FAVORITE RESTAURANT. THE MOMENT (the main event happened IMMEDIATELY after the 1st one.) THE MOMENT I FINISHED THE HIGH SCHOOL, I WENT TO MY FAVORITE RESTAURANT. AS SOON AS (the main event happened IMMEDIATELY after the 1st one.) AS SOON AS I FINISHED THE HIGH SCHOOL, I WENT TO MY FAVORITE RESTAURANT.