Unit 2 Natural disasters Grammar and usage 学案-高中英语牛津译林版（2020）必修第三册.docx

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1、课程主题：必三U2 Grammar 授课时间：主备人：审核人：年级：高一科目：English教学目标1. Learn the rules of to-infinitives as attributives and adverbials of result 2. Be able to use to-infinitives in the writingTeaching Procedures预习案Step 1: 自主学习. 单句语境填词，注意词的词性和词形。 1. According to a weather report, a_ (飓风) called Betty is now approachi

2、ng the coast of Florida. 2. The party came to_ (政权) at the last election held two years ago. 3. We yelled at the bear, hit pots hard, and fired blank shotgun shells into the air. Sometimes loud noises like these will_ (惊吓) bears off. 4. We raised some money to a _ (慈善机构) to help the homeless in the

3、floodstricken areas. 5. The_ (全体职工) are not very satisfied with the latest pay increase. 6. Look at the example on the _ (幻灯片). 7. People celebrate to show that they are grateful for the years_ (供应) of food. 8. The new schoolbags and books _ (捐赠) by some warmhearted people arrived at the village sch

4、ool the day before yesterday.新授案Step 1 Lead-in Free talk：What kind of natural disasters are connected with a strong storm?Step 2 Usage of To-infinitivesStep3 Exploring the rules1.Ana is interviewing her teacher, Mr Li, about his experiences during a hurricane. Find the sentences with to-infinitives

5、as attributives.To-infinitives as attributivesTo-infinitives as adverbials of resultI was staying in Atlanta, and that was one of the cities to be hit.（1）That morning, I turned on the TV for some local news, only to hear that a hurricane was on its way.（2）2.Working out the rules When the to-infintiv

6、e is used as an attributive, it is often put (before/after) the noun or pronoun it modifies. When the to-infintive is used as an adverbial of result, it can refer to an (expected/unexpected) result. In this case, we often use only before the to-infinitive.Step4 Applying the rulesB1Task 1: Match the

7、first half of the sentences below with the correct to-infinitives. Then try to understand the functions of the to-infinitives.B2Task 2: Below is Anas to-do list from yesterday afternoon. Complete the diary entry below using to-infinitives.B3Task 3: Jim is talking to his friend Julie about his experi

8、ence after the earthquake. In pairs, complete the conversation below using to-infinitives.Step 5： Consolidate and feed back.1. He is old enough_ (live) independently. 2. This has led companies and individuals to donate money _ developing countries to buy computer equipment and Internet facilities. 3

9、. It _ (scare) me to think I was alone in the building at night. 4. Never before has our country been so _ (power) as it is today. 5. That party has been _ power for many years and it has showed its strengths in dealing with many important problems. 6. _ we all know, vocabulary is an important part

10、of language, just like bricks of a building. 7. Tom works hard and he is always the last one _ (leave) the classroom every day. 8. All _ (donate) blood is tested for HIV and other infections.Step 6: Homework1.Finish the workbook.2.Find out the sentences with to-infinitive on Pages 1617 and understand the functions.学科网（北京）股份有限公司