人教版高中英语必修三《Festivals And Celebrations》PPT教学课件，共14页。
Lead-in
Talk about what kind of festivals you are interested in is best one by one.
Learn about grammar v.-ing
Compare the following sentences and find out what’s function of v.-ing in the sentences.
These lanterns are amazing.
She is swimming in a swimming pool.
Learn about v.-ing carefully
动词-ing形式作表语、定语
一、动词-ing形式作表语
作表语的动词-ing形式包括现在分词和动名词。
1．现在分词作表语，往往具有形容词的性质，说明主语的性质、特征等。作表语的现在分词，许多是由能够表示人们某种感情或情绪的动词变化而来的。
常见的有：moving, interesting, encouraging, exciting, inspiring, boring, surprising, puzzling, amusing, astonishing ...这类分词有“令人……的”的含义，常修饰物。
The argument is very convincing. 这个论点很令人信服。
He remained standing beside the table. 他依然站在桌旁。
2．动名词作表语多表示抽象性的或习惯性的动作，一般说明主语的内容。
Her job is keeping the lecture hall as clean as possible.
＝Keeping the lecture hall as clean as possible is her job.
她的工作是尽量使报告厅保持干净。
二、动词-ing形式作定语
动名词和现在分词都可以作定语，但有所区别。
1．动名词作定语表示被修饰词的某种性能或用途，相当于for引导的介词短语。
No one is allowed to speak aloud in the reading room.
阅览室里不准大声说话。
2．现在分词作定语时，它和被修饰词之间有逻辑上的主动关系，表示所修饰词进行的动作，相当于一个定语从句。
The boy playing football on the playground is my younger brother.
＝The boy that/who is playing football on the playground is my younger brother.
在操场上踢足球的那个男孩是我的弟弟。
You should adapt to the changing situation.
你应该适应不断变化的形势。
The ground is covered with fallen leaves.
地上满是落叶。
I’m looking for a room to live in.
我正在找房子住。
Summary
1. How do you use the function of -ing?
2. What’s the difference between -ing?
Homework
1. Go over what we have learned about grammar rules.
2. Finish the exercises on Page 6.
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