外研版（2019）必修第二册Unit 6 Earth first Using language Grammar & Vocabulary课件（28张PPT）

(共28张PPT)
普通高中教科书
Unit 6
英语
必修
第二册
外语教学与研究出版社
Unit 6
Earth first
Grammar and Vocabulary
新教材
Learning objectives
1.To learn the general knowledge of v.-ing and v.-ed as
complement.
2.To learn to use some relevant words and phrases to discuss
global warming and give practical solutions.
3.To learn to use some relevant words and phrases to discuss
air pollution and interrupt others politely.
新教材
Look at the sentences from the reading passage and
answer the questions.
a We see a woman swimming at night in a dark sea.
b It made people frightened of sharks,..
1.In sentence (a),who is swimming at night
In sentence (a),a woman is swimming at night.
2.In sentence (b),who is frightened of sharks.
In sentence (b),people are frightened of sharks.
◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆
新教材
3.Why does the author choose to use different forms of verbs
in the two sentences
In sentence (a),a woman is swimming.In other words,the
woman does the action of swimming.So the author uses -ing.
But in sentence (b),people are frightened.As a result,
passive voice is used.So the author uses -ed.
◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆X