Section A 4a-4c & Section B 1a-1eProject:Practice the past perfect tenseand tell funny experiences.Section A 4a-4c & Section B 1a-1eProject:Practice the past perfect tenseand tell funny experiences.When I got to school, I realized that I had left my backpack at home.By the time I got back to school, the bell had rung.Before I got to the bus stop, the bus had already left.I was about to go up to my office when I decided to get a coffee first.As I was waiting in line with the other office workers, I heard a loud sound.4aMake sentences using by the time or before.Make sentences using by the time or before.1. Tim went into the bathroom. Mary got up. By the time Mary got up, Tim had already gone into the bathroom.2. The coffee became cold. I put cream (n. 奶 油 ) in the coffee. __________________________________ __________________________________Before I put cream in the coffee, the coffee had become cold.3. The teacher collected the math homework. I got to school. __________________________________ __________________________________4. I completed the work for my boss. The workday (n. 工作日 ) ended. __________________________________ __________________________________By the time I got to school, the teacher had collected the math homework.I had completed the work for my boss before the workday ended.5. The movie started. I arrived at the cinema. __________________________________ __________________________________6. My mother finished making the apple pie (n. 果馅派 ). I got home from my language course. __________________________________ __________________________________ __________________________________The movie had started, before I arrived at the cinema.By the time I got home from my language course, my mother...