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牛津译林版（2019）英语必修一《Unit 4 Looking good, feeling good》Section Ⅲ Grammar and usage优质课ppt课件
Grammar and usage
Restrictive relative clauses with relative adverbs
1. What is a restrictive relative clause?
A restrictive relative clause modifies a noun, pronoun or noun phrase before it.
2. What can introduce a restrictive relative clause?
We use relative pronouns or relative adverbs to introduce restrictive relative clauses.
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3. How do these words introduce a restrictive relative clause?
We use who and whom for people, and which for things. We can use that for both things and people. We use whose to show possession.
4. Could you split the underlined sentence into two simple sentences?
It is normal for teenagers to be slightly overweight and there is no reason why they should be worried ①.
There is no reason.
For the reason they should be worried.
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5. Could you join the two sentences above?
There is no reason for which they should be worried ②.
6. What is “why” in sentence ① and what does it replace in sentence ②?
In sentence ①, “why” is a relative adverb to introduce a restrictive relative clause. In this clause, “why” can replace “for which” in sentence ②.
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Do you remember a time when you had no worries stopping you from getting a good night’s rest?