Unit 2 Natural disasters Grammar and usage 教案 -2024-2025学年高中英语牛津译林版(2020)必修第三册

必修三 Unit 2 Natural disasters

Grammar and usage 教案

Teaching aims

By the end of the lesson, students will be able to:

1. identify and categorize the use of to-infinitives as attributives and adverbials of result;

2. summarize general rules of to-infinitives as attributives and adverbials of result;

3. apply the rules and use to-infinitives to complete or make sentences.

 

Teaching key and difficult points

1. summarize general rules of to-infinitives as attributives and adverbials of result;

2. apply the rules and use to-infinitives to complete or make sentences.

 

Teaching procedures

Step 1: lead in

Read an interview about the experience during a hurricane and answer some questions.

Q1: How did Mr. Li know that the hurricane was coming?

Q2: What made Mr. Li frightened during the hurricane?

 

Step 2: learning 

1. Definition of the to-infinitive

动词不定式to do 是非谓语的一种，没有人称和数的变化，动词不定式具有名词、形容词、副词的特征，在句子中可以做主语、宾语、表语、定语、状语、宾语补足语等，不能作谓语。

 

2. The structure of the to do-infinitive

形式	主动	被动
一般式	to do	to be done
完成时	to have done	to have been done
进行时	to be doing
完成进行时	to have been doing

 

3. Usage of the to-infinitive as attributives and adverbials of result

Read again, please find out the sentences with to-infinitives.

To-infinitive as attributives	To-infinitive as adverbials of result
I was staying in Atlanta, and that was one of the cities to be hit.	That morning, I turned on the TV for some local news, only to hear that a hurricane was on its way.