北师大版高中英语unit17lesson1grammar

1、课时安排课时安排: Grammar1 读课文句子观察发现读课文句子观察发现2 看图片进行语境操练看图片进行语境操练3 总结总结4 难点分析难点分析5 操练操练6 提升提升7 拓展训练拓展训练Past Perfect Continuous过去完成进行时过去完成进行时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 fli

2、ght to New York were told it had been cancelled.总结had 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： 用于描述用于描述过去某一动作过去某一动作之前之前一直一直在在进行进行或或反复反复的动作。的动作。 例：money语境练习

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

4、ice 5He was laid off.always come to work lateHe was laid off because he had always been coming to work late.过去完成时态含义及操练过去完成时态含义及操练 She was upset because she had been waiting for her boyfriend for half an hour. 表持表持续续表反复He was laid off because he had always been coming to work late.还在过程中没有结束 They had

5、 been doing the thorough cleaning when I came to see them.过去完成进行时表示动作过去完成进行时表示动作_开始，开始，_这一时间。过去完成这一时间。过去完成进行时的构成为进行时的构成为“_ ”。和过去完成时一样，过去完成进行时也必须和过去完成时一样，过去完成进行时也必须以以_为前提为前提 难点分析难点分析在过去的某一时间之前在过去的某一时间之前一直延续到一直延续到 had been + 现在分词现在分词 某一特定的过去时间某一特定的过去时间 他去上海之前，一直住在这里。他去上海之前，一直住在这里。He had been living he

6、re before he went to Shanghai.使用过去完成进行时时，应注意和其它时态的区别：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，过去完成进行时强调动作在过去某一特定时间之前开始，到这一时间到这一时间_；而过去完成时则强调；而过去完成时则强调动作在过去某一动作或时间之前动作在过去某一动作或时间之前_。 仍在进行仍在进行 已经完成已经完成 她叫我进去之前我已经在房间里等了半个小时。（一直在她叫我进去之前我已经在房间里等了半个小时。（一直在等）等） 我们来之前他已经吃过

7、早餐了。（动作已经结束）我们来之前他已经吃过早餐了。（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.2. 过去完成进行时与过去进行时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；而过去进行时强调的是在过去某一时刻时刻_. 一直在持续一直在持续 正在进行正在进行 昨天晚上铃响之前，我一直在读一本

8、小说。（一直在读）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）昨天晚上铃响时，我正在读一本小说。（当时正在读）Last night I had been reading a novel when the bell rang. Last night I was reading a novel when the bell rang.操练操练2.She was very tired after she had been working for hours without a break.3.Their clothes were muddy bec

9、ause they had been playing football.4.She was fired because hadnt been coming to work on time.5.She was very angry because she had been waiting her boyfriend for half an hour.6.His ear ached because she had been talking on the phone for hours.7.He was messy because he had been repairing his car all

10、afternoon.8. She was very scared because she had been watching a thriller on TV. 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. had been raining D. have rained提高升华提高升华2.

11、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. worked3. 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 watching4. 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 speaking5. Did you see a