北师大版高中英语选修六Unit17 Lesson1 语法——过去完成进行时

构成
作用 过去完成进行时表 示在过去某个时间 以前反复的动作。
had been doing
过去完成进行时还 常用于间接引语 中。 过去完成进行时之 后也可接 when 引 导的时间状语从 句。
例句 He had been mentioning the comedian’s name to me before I met her. 在见那位喜剧演员之前,他多次 向我提到过她的名字。 The doctor asked what he had been eating. 医生问他一直在吃什么。 She’d only been reviewing her lessons for a short while wLeabharlann Baiduen her little sister interrupted her. 当她妹妹打断她时,她温习功课 才一会儿。
had been trying to complete his film
had been raining for weeks
• 5. The river was near bursting point as it _________________ (rain for weeks).
• Exercise 8 had been snowing • 1. We couldn't open the door because it ________________ (snow) heavily all night. had seen • 2. She looked shocked and she said she ______________(see) a UFO. • 3. Billy had a black eye and Joe's lip was cut--they had been fighting _______________ (fight). • 4. John decided to complain as his neighbours had been having (have) parties every day for two weeks. _______________ had lost (lose) a few pounds • 5. Jill looked great- she ______________ had put on (put on) a smart evening dress. and ____________
构成
作用
过去 完成 时
例句 Tom was disappointed that most of the guests had left when he 表示在过去的某个时间 arrived at the party. 已经完成的动作。常用 当汤姆到达晚会地点的时候, 于间接引语中,表示在 大部分客人都走了,他很失望。 过去谈话以前已经发生 He said that he had cleaned the 了的动作。 office. 他说他打扫过办公室了。
• 3. As he ___________________ (repair his car all afternoon),
had been repairing his car all afternoon
he was messy.
• 4. He told us that the director _________________ (try to complete his film) swiftly.
考点二过去完成进行时,现在完成进行时和过去完成时的比较
构成
作用 表示在过去某一特定时 过去 间以前发生的动作一直 完成 持续到这个特定时间, 进行 或是刚刚结束,或是还 时 要延续。但是,决不会延 续到现在。 现在 完成 进行 时 到现在某段时间内一直 进行的动作,强调动作 的持续性。
例句 It had been raining hard for three weeks.Nearly all the little trees on the mountain were washed away. 大雨一连下了三个星期,山上 的小树差不多都被冲走了。 She has been cleaning the office,so we have to wait outside. 她一直在打扫办公室,所以我 们不得不在外面等着。
• 练习 • 1. After driving for thirty miles, she suddenly realised that she _____ in the wrong direction. C • A. was driving B. has been driving C. had been driving D. drove • 2. The sportsmen _____ training for three hours when the coach told them to stop. C • A. hace been B. are C. had been D. were
Past Perfect Continuous
考点一、过去完成进行时态 概念:过去完成进行时态主要表示过去某个时刻以前一直在进行的 一个动作。过去完成进行时由had been+动词-ing形式构成。
构成
作用
had been doing
例句 Had they been expecting the 过去完成进行时 anecdote for some time before I came? 表示动作在过去 在我来之前,他们期待这件趣事有 某一时间之前开 始,一直延续到另 一段时间了吧? 一过去时间。 必须 The politician had been waiting for his visa for days before he got it. 以某一过去时间 这个政治家在拿到他的签证之前, 为前提。 等了好多天。
• Exercise 6
• 2. The eager fans _____________ (wait for 6 hours before the
had been waiting for 6 hours
finally got the tickets for the football match.)