Unit 1 Using language 课件-2022-2023学年高中英语外研版（2019）选择性必修第一册

新外研社高中英语选择性必修一Unit1 Laugh out loud Using Language Grammar 2 Look at the sentences from the reading passage and answer the questions. a. I walk through the doors into the waiting area, where there’s a familiar atmosphere of boredom and tension. b. ... laughter produces chemicals to make people feel better, which means clown doctors can be helpful. c. I spent much of the time when I was there feeling frightened ... Grammar: Non-defining attributive clauses 3 In sentence (a) “where” refers to “the waiting area”; in sentence (b) “which” refers to “ ... laughter produces chemicals to make people feel better”; in sentence (c) “when” refers to “the time”. 1. What do “where”, “which” and “when” refer to in each sentence? Grammar: Non-defining attributive clauses 4 Grammar: Non-defining attributive clauses 2. Which sentences contain a clause with essential information and which with extra information? If you take away the clauses, do the sentences still make sense? Sentence (c) contains a clause with essential information, sentences (a) and (b) contain clauses with extra information. If we take away the clause of sentence (c), the meaning of it is incomplete. If we take away the clauses of sentences (a) and (b), the two sentences still make sense. 5 Sentences (a) and (b) with extra information are separated by commas. 3. Which clauses are separated by a comma, the ones with essential information or the ones with extra information? Grammar: Non-defining attributive clauses 6 Now look for more sentences with non-defining attributive clauses in the reading passage, and summarise their uses. Grammar: Non-defining attributive clauses People sit uncomfortably on plastic chairs, looking through old magazines, all of which have been read hundreds of times previously. I speak with the on-duty nurse, who tells me that Lara’s parents rushed her to the hospital after she fell off her bicycle. We have to be very sensitive and work closely with the doctors and nurses, who keep us up