第3讲 过去完成时-【暑假辅导班】2021年新高二英语暑假精品课程（北师大2019版）

过去完成时 构成 用法 例句 助动词 had + 过去分 词 过去某一时间或动作之前已经发生或完成的动作。 John admitted that he had not finished the homework on time. By the time we got to the station, the train had already gone. 在过去某一时间之前已经开始并一直持续到那时的动作或状态。 Lucy had been in China for seven years by the end of last year. 表示过去没有实现的愿望、打算或意图。如hope, think, expect, mean, suppose, intend等。 Tom had intended to stay in the country for only a year or two, but he has been here for five years or so. 使用过去完成时，要有过去时间(T2)为参照点, 过去完成时的动作发生或完成在这个过去时间参照点(T2)之前, 即“过去的过去”。 过去完成时与一般过去时 过去完成时：时间上强调过去的过去 一般过去时：过去某一特定的时间 eg They had arrived home by ten yesterday. 他们昨天10点之前到家。（到家发生在昨天10点之前。） They arrived home at ten yesterday. 他们昨天10点到家。 巩固练习： 一．完成句子. 1. She was surprised to find the fridge empty; the child ________ (eat) everything! 2. By the end of last year, Mary ____________ (collect) more than a hundred foreign records. 3. Silk ___________ (become) one of the primary goods traded along the Silk Road by about 100 BCE. 4. By the time he was 14, Mozart ____________(compose) many pieces for the harpsichord… 5. We __________(see) each other since I left my hometown. 6. They _____________(finish) their work when Iarrived at the office. 7. By the time he got to the school, the first period ______________ (is finished / had finished). 8. The vegetables didn't taste very good. They _______________ (had been cooked / has been cooked) for too long. 二． 语法填空： I’d like to share with you a story of a student. It happened early on a Friday morning. Tina, a sixteen-year-old girl, 1 ________(come) to school as usual. But when she entered the classroom, she 2__________(find) her teacher on the floor, unconscious. Tina quickly noticed that her teacher was wearing a bracelet which said she had diabetes. Tina phoned the emergency services and told them what she 3_______________ (just see). A doctor from the Ambulance Service 4 ________(tell) Tina that he 5___________(send) an ambula