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选择性必修三外研版（2019）《Unit 5 Learning from nature》Using language优质课教学ppt课件
Unit 5 Learning from nature Using language
新标准《英语》高中选择性必修第三册
Review: non-finite forms as subject, object and predicative
Activity 1 Look at the sentences from the reading passage and answer the questions.
1 Look at the “to do” structures in sentences (a) and (b). Do they serve the same function in each sentence?
2 In sentence (c), is the -ed form used as an adjective or a past participle? Why does the author use the -ed form other than the -ing form?
3 What is the function of the -ing form in sentence (d)?
No, they don’t. “To explore” in sentence (a) serves as object and “to float” in sentence (b) serves as predicative.
The -ed form is used as an adjective. The author wants to describe the visitors’ feeling, so the -ed form is used.
The -ing form is used as subject.
Activity 1 Look at the sentences from the reading passage and answer the questions.
Now look for more sentences with these structures in the reading passage.
Activity 2 Complete the passage with the correct form of the verbs in brackets.
1 Drawing
2 to recreate / recreating
3 astonished
4 to explore
Activity 3
Read the information below and write a