Unit 4 Period 4 Discovering Useful Structures

Unit 4History and Traditions

Period 4Discovering Useful Structures

学习目标

1.To identify the past participle and explore the functions of the past participle as the object complement and the attribute.

2.To sum up the usage and the functions of the past participle as the object complement and the attribute.

3.To use the past participle to express feelings and describe situations.

课堂探究

Part ⅠLead-in

Look at some pictures and appreciate the past participle by answering the functions of it.

1.a broken vase

2.an injured player

3.a bridge built in 1937

4.make themselves heard

1. 2. 3. 4.

Part ⅡMaster the usage of the past participle as the attribute and the object complement.

Activity 1Find and underline the past participles in the sentences below.What function do the past participles have?Answer the questions below.

1.Most people just use the shortened name:“the United Kingdom” or “the UK”.

2.They use the same flag,known as the Union Jack,as well as share the same currency and military defence.

3.They had castles built all around England,and made changes to the legal system.

小结:shortened在句1中位置在名词,known as 在句2中位置在名词。1、2句中分词和分词短语都用来修饰,作定语;句子3中名词castles 是had的宾语,所以built 是对名词castles进行补充说明,作。

结论:

Activity 2Practice:Identify the function of the past participle in each sentence.

(1)The new product finally passed the required test.

(2)It is a house built by the Romans.

(3)He got his tooth pulled out yesterday.

(4)Unfortunately he had his leg broken yesterday.

Activity 3Appreciate more examples and discuss in groups to summarize the usage of the past participle as the attribute.

Past Participles as the

Past Participles as the Attribute(2)

Attribute(1)

tired visitors visitors 1.of the long wait

a well-organised trip a trip 2.well by my workplace

续表

Past Participles as the

Past Participles as the Attribute(2)

Attribute(1)

beautifully dressed

stars 3.beautifully at the event

stars

小结:过去分词短语作定语时位于被修饰词,即;而单个过去分词作定语一般在被修饰词的,过去分词作定语时和被修饰词之间呈

关系。

Activity 4Read each sentence and underline the -ed form as the object complement.

1.Judy and I had our car parked in an underground car park near Trafalgar Square,where we could get our car battery charged.

2.When we finally reached the service desk to ask for audio guides,we heard it announced that there were no audio guides left.

3.We found ourselves very surprised by the large number of visitors and the amount of noise at the entrance of the National Gallery.

4.Judy had her eyes fixed on Van Goghs Sunflowers.It was hard to approach the painting as there were so many people around.

5.She had a copy of the painting boxed to ensure that it was delivered safely.

小结:过去分词作宾语补足语时,过去分词和宾语的关系是。

Part ⅢPractice

Activity 1(Workbook P81)Complete the conversations with the past participles of the verbs as the attribute or the object complement.

(1)A:What do you think of the weather?