(共13张PPT)
Discovering Useful Structures
（必修第三册：第五单元）
浙江省嵊泗中学
高中英语（人教版）
Learning objectives
1. To learn about the different functions of modal verbs.
2. To be able to talk about future events in the past using “would do” and “was / were going to do”.
Modal verbs
Modal verbs have many functions, including the following (A-F).
A necessity
B possibility
C obligation
D request
E advice
F intention
Activity 1: Find and think
Find modal verbs in previous sections and discuss their functions.
A necessity B possibility C obligation D request E advice F intention
1. We can discuss it now. 2. You must do it at once.
3. Would you please pass me the salt 4. You needn’t have stayed.
5. You ought to help him. 6. I would rather do it myself.
B
C
D
A
E
F
Different functions of modal verbs
表示能力 The little boy can read and write.
表示可能和推测 They made a bet which would settle their argument.
表示许可或禁止 You can’t open it until two o’clock.
表示发出指令或提出要求 Could you offer me work here
表示帮助或发出邀请 Wouldn’t you like to come with me
表示提出建议 You could ask the teacher for help.
表示愿望 I would like to know the date.
表示义务或需要 We have to wear uniforms at school.
Activity 2: Read and fill
Read the passage and fill in the blanks with suitable modal verbs in the box.
may must can ought to might had better would should
In the film The Million Pound Bank Note, Henry Adams is stuck in a foreign country without money and friends, and with nowhere to stay. While this situation _______ seem unusual, it can sometimes happen to travellers. In case it happens to you on a trip abroad, what _______ you do First, and most importantly, you _______ stay calm. Fear _______ cause you to become confused. You need to think clearly. Second, you should go to your nearest consulate.
may
should
must
can
Activity 2: Read and fill
They _________ be able to help to some extent. Third, you _______ do well to check with some local charities. They _______ offer help to travellers in need. Fourth, you ___________ avoid getting into trouble. You _______ think that stealing some money or food would help you, but you should not do so. Getting caught _______ ruin your life.
ought to
would
might
had better
might
would
may must can ought to might had better would should
The Past Future Tense
Both “would do” and “was/were going to do ” can be used to talk about future events or intentions in the past.
Activity 3: Read and compare
Read the sentences below and think about the differences between “was/were going to do” and “would do”.
We thought it was going to rain but it was a beautiful day.
I was going to tell him, but he didn’t give me a chance.
The children were going to play football when it began to rain.
He said he was going to see the match but it was cancelled.
He said he would be there at 8 o’clock and so he will.
They told me that they probably would not grow corn the next year.
She burnt the letters so that her sister would never read them.
When my parents went on business trips, my grandparents would look after me.
The Past Future Tense
was/were going to do 表示过去计划、安排要做的事
表示说话人根据当时的迹象推断即将发生的事
表示过去的打算或计划，但因外界干扰而中断，常有but 出现
多用于非正式场合或口语中
would do 表示过去将要发生的事
表示愿意或承诺要做的事
表示过去某个时期常见的情况或习惯性的动作
除用于口语外，多用于正式场合或书面语中
(1) The clerk in the consulate told Henry that they _____________________________________ (not, give, a loan).
(2) Henry entered the gentlemen’s house, wondering if they _______________________________ (offer, a job).
(3) The gentlemen said that Henry _______________________ (know, everything) in an hour and a half.
Activity 4: Talk about future events in the past
Complete the sentences with would, was/were going to, and the words in brackets.
would not/weren’t going to give him a loan
would/were going to offer him a job
would know everything
Activity 4: Talk about future events in the past
(4) Henry ____________________________________________ (explain why, not pay, the bill) right away when the waiter became impatient.
(5) The owner of the tailor’s shop never thought he __________________________ (hold, such a large note).
(6) After one month, Henry went to see the gentlemen with Portia. He ____________________________________________ (give back, note).
was going to explain why he could not pay the bill
would hold such a large note
was going to give the note back/give back the note
Assignment
Finish the exercises about the modal verbs and the past future tense.作业练习
课程基本信息
学科 高中英语（人教版） 年级 高一 学期 春季
课题 Discovering Useful Structures（必修第三册：第五单元）
教科书 普通高中教科书 英语 必修 第三册
作业练习
一、用单词的适当形式完成句子 1．He promised me if we won the game, he __________ (buy) us a round of drinks． 2．He said on the phone that he _________ (arrive) in London. 3．Li Ming said he ________(be) happy if Brian came to China next month. 4．Jenny said she ________(spend)her holiday in China next summer. 5．I knew John ________ (not finish) the work by 5: 00 PM. 6．He said that he ________ (take) care of the baby. 7．They feared that he ________ (abuse) them if they displeased him. 8．She wanted to tell us that she ________ (drop) out of school. 9．Last Sunday we ________ (visit) the Great Wall, but it rained. 10．I already told Mark that when he arrived, we ________ (go) out for dinner. 二、完成句子 11．他最好做一些研究。 He _________do some research. 12．昨天，他不能相信他的眼睛。 Yesterday, he ________believe his eyes. 13．如果时间允许，他能够参加足球比赛。 He ________compete in the football match if time permits. 14．如果我完成了作业,我可能会去徒步旅行。 I ________go hiking if I finish my homework. 15．我本应该昨天上交我的作业的，但不幸的是，我完全忘记这回事了。 I ________handed in my homework yesterday, but unfortunately I forgot about it totally. 16．那不可能是我们的校长。他去美国了。 It ________be our headmaster. He has gone to America. 17．你为什么偏要在我看电视的时候打搅我呢 Why ________you interrupt me while I am watching TV 18．他一定是生病了。他看起来气色很不好。 He ________be ill. He looks so pale. 19．他告诉我他可能会迟到。 He told me he________be late. 20．She said she ________ the village when she old. 她说当她老了后，她要住在乡村。 参考答案： 1．would buy 【详解】考查时态。句意：他答应我，如果我们赢了比赛，他就请我们喝一轮酒。根据句中时态可知，表示过去的时态。结合句意可知，if引导的条件状语从句，用一般过去时表示过去的将来，主句用过去将来时。故填would buy。 2．would arrive 【详解】考查动词时态。句意：他在电话里说他将到达伦敦。根据句意以及主句的过去时said可知，此处应用过去将来时(would do)表达在过去看来将要发生的动作或呈现的状态。故填would arrive。 3．would be 【详解】考查动词时态。句意:李明说如果布赖恩下个月来中国，他将会很高兴。 空处为宾语从句的谓语动词，主句为一般过去时，结合从句中“if Brian came to China next month”可知，空处动作还未发生，故应用过去将来时。故填would be。 4．would spend 【详解】考查时态。句意：珍妮说她明年夏天将在中国度过她的假期。由主句said和next summer可知，从句表示过去将要做的事情，故用过去将来时。故填would spend。 5．wouldn’t finish 【详解】考查时态。句意：我知道约翰是不会在下午5点前完成工作的。设空处为宾语从句的谓语，主句是一般过去时，从句应用过去的相应时态，根据时间状语 by 5: 00 PM，可知用将来时，所以用过去将来时，故填wouldn’t finish。 6．was going to take 【详解】考查时态。句意：他说他会照顾孩子的。此处表示从过去某一时间来看将要发生的动作应用过去将来时，且表示计划做某事，应用was/ were going to+动词原形，主语为he。故填was going to take。 7．would abuse 【详解】考查时态。句意：他们担心如果他们惹他不高兴，他会虐待他们。此处表示从过去某一时间来看将要发生的动作应用过去将来时，故填would abuse。 8．was to drop 【详解】考查时态。句意：她想告诉我们她要退学了。此处表示从过去某一时间来看将要发生的动作应用过去将来时，且表示有计划的做某事，为was/were to do sth.，主语为she，故填was to drop。 9．were going to visit 【详解】考查时态。句意：上星期天我们打算去参观长城，但是天下雨了。根据句意，表示打算计划用be going to do结构，由rained可知，应用过去将来时，主语是复数，故填were going to visit。 10．would go 【详解】考查时态。句意：我已经告诉马克，他一到，我们就出去吃饭。分析句子可知，go是that引导的宾语从句的谓语动词，根据句意，表示将来要发生的动作，主句是一般过去时，根据“主过从过”原则，用过去将来时，故填would go。 11．had better 【详解】考查固定搭配。根据句意再根据空格后的动词原形do可知，此处用固定搭配had better do sth表示“最好做某事”。故填had beter。 12．could not 【详解】考查情态动词。表示“能”应用情态动词can，“不能”是can not，根据句中时间状语yesterday可知，此处应用一般过去时。故填could not。 13．can 【详解】考查情态动词。根据句意及所给句子可知，表示“能够”可用情态动词can表能力。故填can。 14．may/might 【详解】考查情态动词。分析句意可知，本句时态为一般现在时，且表示主观上的可能性，所以用情态动词may或might。故填may或might。 15．should have 【详解】考查虚拟语气。根据句意及结构可知空处表示的是“本该做某事而事实上未做”，应用should have done。故填should have。 16．can not 【详解】考查情态动词。根据下文“He has gone to America(他去了美国)”可知，表对现在情况的否定推测用can’t do/be，故填can not。 17．must 【详解】考查情态动词。表示“偏要”，且在疑问句中用来表示一个人较强烈的感情应用情态动词must。故填must。 18．must 【详解】考查情态动词。分析句子结构，根据句意，空白处应填情态动词表达“一定是”含义。根据下文“He looks so pale(他看上去很苍白)”可知空白处应填有客观事实支持的语气较强的可能性，故填must。 19．might 【详解】考查情态动词。根据told可知，本句的时态为一般过去时，再根据句意可知，可用情态动词might表示推测可能。故答案为might。 20．was going to live in 【详解】考查过去将来时。根据中英文提示，“要住在乡村”是她的打算，表达计划、打算用be going to do sth.，live in“住在……”，空处是宾语从句的谓语动词，主语是一般过去时，从句陈述的动作还未发生，故从句用过去将来时，且主语she是第三人称单数，谓语动词用单数，故填was going to live in。教学设计
课程基本信息
学科 高中英语（人教版） 年级 高一 学期 春季
课题 Discovering Useful Structures（必修第三册：第五单元）
教科书 普通高中教科书 英语 必修 第三册
教学目标
在本课学习结束时，学生能够： 1. 梳理常用情态动词的表意功能。 2. 能够根据具体语境恰当地使用情态动词。 3. 掌握过去将来时两种常用结构的用法。
教学内容
教学重点： 1. 复习和梳理常见情态动词的表意功能，引导学生根据真实语境恰当地使用情态动词。 2. 掌握过去将来时两种常用结构的用法。
教学难点： 结合语境，准确地掌握常见情态动词的功能和意义。
教学过程
Step 1 Find and think Modal verbs have many functions, including the following (A-F). Find modal verbs in previous sections and discuss their functions. A necessity B possibility C obligation D request E advice F intention We can discuss it now. You must do it at once. Would you please pass me the salt You needn’t have stayed. You ought to help him. I would rather do it myself. 设计意图：通过分析句子，分析情态动词的表意功能。 Step 2 Grammar summary (1) Different functions of modal verbs 设计意图：总结情态动词的规律，深度掌握情态动词的用法。 Step 3 Practice (1) Read the passage and fill in the blanks with suitable modal verbs in the box. 设计意图：引导学生选择恰当的情态动词完成语篇，建构意义。 2. Work on Activity 3. Both “would do” and “was/were going to do” can be used to talk about future events or intentions in the plete the following sentences that describe the future using either form of the given verbs. 3. Complete the sentences with would, was/were going to, and the words in brackets. 设计意图：引导学生在练习中掌握would和was/were going to的区别。 4. Work on Activity 4. Work in pairs. Discuss the scene from The Million Pound Bank Note on page 52 and share your understanding of the story. Use modal verbs when necessary. The example below may help you. 设计意图：引导学生在真实语境下口头交流阅读剧本的体会。 Step 4 Read and compare Read the sentences below and think of differences between “was/were going to be/do” and “would be/do”. 1. We thought it was going to rain but it was a beautiful day. 2. I was going to tell him, but he didn’t give me a chance. 3. The children were going to play football when it began to rain. 4. He said he was going to see the match but it was cancelled. 5. He said he would be there at 8 o’clock and so he will. 6. They told me that they probably would not grow corn the next year. 7. She burnt the letters so that her sister would never read them. 8. When my parents went on business trips, my grandparents would look after me. Step 5 Grammar summary (2) was/were going to be/do： 表示过去计划、安排要做的事； 表示说话人根据当时的迹象推断即将发生的事； 表示过去的打算或计划，但因外界干扰而中断，常有but出现； 多用于非正式场合或口语中。 would be/do： 表示过去将要发生的事； 表示愿意或承诺要做的事； 表示过去某个时期常见的情况或习惯性的动作； 除用于口语外，多用于正式场合或书面语中； 设计意图：引导学生比较两种过去将来时结构的用法。 Step 6 Practice (2) Complete the sentences with would, was/were going to, and the words in brackets. 设计意图：引导学生在练习中掌握would和was/were going to的区别。 Step 7 Assignment Finish the exercises about the modal verbs and the past future tense. 设计意图：通过练习，巩固所学的知识。
