外研版（2019）必修 第二册Unit 2 Let's celebrate! Starting out and Understanding ideas 长难句型精析学案（含答案）

Unit2 Starting out and Understanding ideas 长难句型精析
1. why引导的表语从句
That’s why. . . 意为“这/那就是为什么. . . . . . ”，why引导表语从句。
That’s because. . . 意为“这/那是因为. . . . . . ”，because引导表语从句。
The reason why. . . is/was that. . . 意为“. . . . . . 的原因是. . . . . . ”,why 引导定语从句。
教材原文
That is why Letters from Father Christmas could be the perfect book for those who regard Christmas as a special time of year.
这就是为什么《圣诞老人的来信》对于那些认为圣诞节是一年中的一个特殊时刻的人来说可能是一本完美的书。
结构剖析
这是一个主从复合句。why引导表语从句;who引导定语从句，修饰先行词those。 经典例句
①He was late. That was why the teacher was angry.
他迟到了。那就是为什么老师生气了。
②The teacher was angry. That’s because he was late.
老师生气了。那是因为他迟到了。
③The reason why the teacher was angry was that he was late.
老师生气的原因是他迟到了。
应用佳句
(2019 浙江，完形填空) And that’s precisely why one garbage-eating Frenchman has caught our attention.
那的确是为什么一个吃垃圾的法国人引起了我们的注意。
2. do强调谓语动词
助动词do/does/did用于一般现在时或一般过去时的肯定句式中，与动词原形连用，以加强语气，意为“的确，确实，务必”；与祈使句连用，意为“务必，一定”。
教材原文
The letters did, however, change as Tolkien’s children got older. "
然而，随着托尔金的孩子们长大，这些信确实发生了变化……
结构剖析
本句中did强调谓语动词change。
经典例句
①We do love our country.
我们的确热爱我们的国家。
②The government did try their best to improve the working conditions.
政府的确尽了他们最大努力改善工作环境。
③Do be careful when you cross the road.
过马路时一定要小心。
应用佳句
(2019 课标 III，阅读理解 C ) But the phrase “ penny paper” caught the public’s fancy, and soon there would be papers that did indeed sell for only a penny.
但是“一分报纸”这个词引起了公众的兴趣，很快有些报纸确实只卖一分。
即时训练
单句填空
1. He was ill. That’s________ he was sent to the hospital.
2. He was sent to the hospital. That’s ________ he was ill.
句型转换
3. There was something wrong with his car. He came late.
There was something wrong with his car.That’s ________ ________ ________ ________
4. The boss dismissed him. He made a serious mistake.
The reason________ ________ ________ ________ ________ was that________ ________ ________ ________ ________.
根据汉语意思完成句子
5. 他遇到了堵车。那就是为什么他开会迟到。
He was stuck in traffic. ________ ________ he was late for the meeting.
6. 我很生气。那是因为你好久没给我写信了。
Fm very angry. That is ________ ________ ________ ________ ________ ________
for a long time.
7. 他昨天没来上学的原因是他得了重感冒。
________ ________ ________ he was absent from school yesterday________ ________ he had a bad cold.
根据汉语意思完成句子
8. 昨天下午，我的确去了公园。
Yesterday afternoon, I________ ________ to the park.
9. 我每天早上确实起得很早。
I________ ________ up very early every morning.
10. 她学习英语真的很用功。
She ________ ________ English very hard.
11. 杰克说他要来,他果真来了。
Jack said he would come and he________ ________
12. 你到那里务必给我写信。
_________ ________ ________ me when you get there.
13. 正是昨天我把自行车丢了。
________ ________ yesterday________ I had my bicycle lost.
参考答案
1. why句意：他生病了。那就是为什么他被送到医院。why引导表语从句。
2. because句意：他被送到医院。那是因为他生病了。That’sbecause. 意为“那是因为……”，because引导表语从句
3. why he came late
4. why the boss dismissed him; he made a serious mistake
5. That’s why
6. because you haven’t written to m
7. The reason why was that
8. did
9. do get
10. does study
11. did come
12. Do write to
13. It was;that