内容正文:
Unit 3 The world on line
Grammar and usage (Ⅱ)
Verb-ing forms as attributives, adverbials and object complements
· 内容分析:
本板块围绕单元话题,要求学生在语篇中观察、探究动词-ing形式的功能及意义,自主归纳动词-ing形式做定语、状语和宾语补足语的核心规则;教师应引导学生分析动词-ing形式在具体语境中所充当的不同成分及其对应的含义,并能正确、灵活地使用;最后要求学生恰当使用动词-ing形式完成一个图片描述任务。
· 教学目标:
By the end of this section, students will be able to:
1. categorize the functions of verb -ing forms and summarize the general rules;
2. change sentence structures with verb -ing forms;
3. apply verb -ing forms in new situations appropriately.
· 教学重难点:
1. To identify the usage of v-ing;
2. To use the v-ing correctly and properly;
· 教学过程:
Step 1 Review
I. V-ing形式作定语
①单个动词-ing形式作定语
②动词-ing短语作定语,与被修饰的词有逻辑上的主动关系,相当于一个定语从句。
II. V-ing形式作状语
V-ing形式作状语往往和逻辑主语之间存在主动关系,常常用来表示原因,时间,方式,结果,条件,伴随状况等。V-ing形式一般不作目的状语(通常用to do作目的状语)。
III. V-ing形式作宾补
①表感觉和心理状态的感官动词
see/hear/feel/smell…+sb +doing sth.
②使役动词“使,让”
have/let/keep…+sb/sth + doing sth.
Step 2 Homework Checking
B1
Rewrite the following sentences using verb-ing forms as attributives, adverbials or object complements.
Possible answer
1. I saw Jess doing research online in the computer room.
2. Anybody going online should be careful about their personal information.
3. Hearing the news, he jumped for joy.
4. Having searched the Internet for information, I started writing my article.
B2
Complete the conversation with the correct forms of the verbs in the box below.
Possible answer
1. thinking
2. amazing
3. cutting
4. Using
5. Having had
6. running
C
Rewrite the following sentences using verb-ing forms.
1.The man operating the factory is concerned about the environment.
2. Walking straight down this road, you will see the post office on your right.
3. He sat there, not knowing what to say.
4. Not having finished his homework, he was punished by his teacher.
5. I find this job challenging.
6. I noticed the man listening to music.
7. The bridge being built will shorten the driving distance between the two villages.
8. The factory keeps giving off smoke,