北师大版-Module-6-Unit17-语法-past-perfect-continuous-tense课件

1、Past Perfect ContinuousPast Perfect ContinuousWhat is Past Perfect Continuous?1. This afternoon, I was in the town center, where I had been doing some shopping.2. One afternoon, hundreds of unlucky passengers who had been expecting to board a flight to New York were told it had been cancelled.What i

2、s Past Perfect Continuousummaryhad been doing意义：Before she was rescued from the ruins, the soldiers had been searching for two hours.I had been waiting for two hours when they announced that the tickets were sold out.结构： 用于描述过去某一动作之前一直在进行或反复的动作。 例：summaryhad been doing意义：BeforemoneyGrammarShe realis

3、ed that she didnt have any money left.She had been doing some shopping.moneyGrammarShe realised that Do you know who I am?GrammarHe pushed his way to the front.He had been waiting in line for some time.Do you know who I am?GrammarHePractice 5She was scared.watch a thrillerShe was scared because she

4、had been watching a thriller on TV. .Example Practice 5She was scared.watchPractice 5He was laid off.always come to work lateHe was laid off because he had always been coming to work late.Practice 5He was laid off.alwaWhat is Past Perfect Continuous?long activities in the past that happened before o

5、ther past eventsShe was upset because she had been waiting for her boyfriend for half an hour.What is Past Perfect Continuou b. the repeated actions that happened before a particular point in the pastHe was laid off because he had always been coming to work late. b. the repeated actions tha c. An ac

6、tion that was still in progress and had not been completed at a particular time in the past. They had been doing the thorough cleaning when I came to see them. c. An action that was still过去完成进行时表示动作_开始，_这一时间。过去完成进行时的构成为“_ ”。和过去完成时一样，过去完成进行时也必须以_为前提 past perfect continuous在过去的某一时间之前一直延续到 had been + 现

7、在分词 某一特定的过去时间 过去完成进行时表示动作_开始，_他去上海之前，一直住在这里。He had been living here before he went to Shanghai.他去上海之前，一直住在这里。He had been livi使用过去完成进行时时，应注意和其它时态的区别：1. 过去完成进行时与过去完成时过去完成进行时强调动作在过去某一特定时间之前开始，到这一时间_；而过去完成时则强调动作在过去某一动作或时间之前_。 仍在进行 已经完成 使用过去完成进行时时，应注意和其它时态的区别：仍在进行 已经她叫我进去之前我已经在房间里等了半个小时。（一直在等） 我们来之前他已经吃过

8、早餐了。（动作已经结束）I had been waiting in the room for half an hour before she called me in.He had already had the breakfast before we came.她叫我进去之前我已经在房间里等了半个小时。（一直在等） I 2. 过去完成进行时与过去进行时 过去完成进行时强调动作在过去某一时刻之前_；而过去进行时强调的是在过去某一时刻_. 一直在持续 正在进行 昨天晚上铃响之前，我一直在读一本小说。（一直在读）昨天晚上铃响时，我正在读一本小说。（当时正在读）Last night I had be

9、en reading a novel when the bell rang. Last night I was reading a novel when the bell rang.2. 过去完成进行时与过去进行时一直在持续 正在进行 昨天晚1. Was the driving pleasant when you vacationed in Mexico last summer? No, it _ for four days when we arrived, so the roads were very muddy.A. was raining B. would be rainingC. ha

10、d been raining D. have rainedPractice1. Was the driving pleasant 2. I have got a headache. No wonder. You _ in front of that computer too long.A. had worked B. are workingC. have been working D. worked2. I have got a headache.3. I saw Jane and her boyfriend in the park at eight yesterday evening. Impossible. She _ TV with me in my home then.A. watched B. had watchedC. would watch D. was watching3. I saw Jane and her boyfri4. They became friends again that day. Until then, they _ to each other for nearly two years.A. didnt speak B. hadnt spokenC. havent spoken D. havent been speaking4. Th