Unit 1 People of Achievement Learning About Language 非限制性定语从句与限制性定语从句区别课件-2024-2025学年高二英语人教版（2019）选择性必修第一册

restrictive relative clause non-restrictive relative clause ①only people who speak Russian should apply for the job. ②The rice which we had for dinner last night was very good. ③Mr. brown, whose son won the spelling contest, is very proud of his son’s achievement. WHAT’S THE DIFFERENCE BEWTEEN THEM? restrictive relative clause non-restrictive relative clause Before we learn, We should be familiar with the symbols used in the two clauses. Restrictive clauses are never offset by commas, while nonrestrictive clauses are.  2 restrictive relative clause non-restrictive relative clause Restrictive clauses are never offset by commas, while nonrestrictive clauses are.  ①Only people who speak Russian should apply for the job. ②The rice which we had for dinner last night was very good. ③Mr. brown, whose son won the spelling contest, is very proud of his son’s achievement. Try to distinguish them restrictive relative clause non-restrictive relative clause FIRST. Understand the meaning behind the names: RESTRICTIVE and NON-RESTRIVTIVE Try to understand the following sentences ①The astronaut was Neil Armstrong. ②The astronaut who first stepped on the moon was Neil Armstrong. restrictive relative clause non-restrictive relative clause ①The astronaut was Neil Armstrong. ②The astronaut who first stepped on the moon was Neil Armstrong. We can see that the clause "who first stepped on the moon" defines the subject "the astronaut." The astronaut The astronaut who first stepped on the moon The sentence ①’s subject The sentence ②’s subject ≠ (Anyone who has been an astronaut, regardless of whether they first stepped on the moon or not, is still considered an astronaut.) restrictive relative clause non-restrictive relative clause ①Kaylee is an accomplished figure skater. ②Kaylee, who just graduated from high school, is an accomplished figure skater. The phrase “who just graduated from high school” does not define the subject “Kaylee.” Kaylee Kaylee, who just graduated from high school. The sentence ①’s subject The sentence ②’s subject = (Whether Kaylee graduates from high school or not, she will always be Kaylee.) restrictive relative clause non-restrictive relative clause A restrictive relative clause defines a specific component, indicating a particular object or thing. In contrast, a non-restrictive relative clause provides additional information that does not change the overall meaning if it is omitted. In other words, if a restrictive relative clause is omitted, the component will differ from the previous version. From the above, we can conclude that: restrictive relative clause non-restrictive relative clause A restrictive relative clause defines a specific component, indicating a particular object or thing. In contrast, a non-restrictive relative clause provides additional information that does not change the overall meaning if it is omitted. To keep the component the same, the restrictive relative clause can’t be removed, while the non-restrictive can be omitted. restrictive relative clause non-restrictive relative clause LET’S DO SOME EXERCISES! restrictive relative clause non-restrictive relative clause EXERCISE: Punctuating adjective clauses Directions: add commas where necessary ①Alan and Jackie who did not come to class yesterday explained their absence to the teacher. ②The students who did not come to class yesterday explained their absence to the teacher. ③Only people who speaks Russian applied for the job. EXERCISE COMES FROM 朗文高级英语语法 10 restrictive relative clause non-restrictive relative clause EXERCISE: Punctuating adjective clauses Directions: add commas where necessary ④Rice which is grown in many countries is a staple food throughout much of the world. ⑤A river which is polluted is situated in a valley ⑥I live in a town that is situated in a valley. EXERCISE COMES FROM 朗文高级英语语法 11 restrictive relative clause non-restrictive relative clause SUMMARY ① Restrictive clauses are never offset by commas, while nonrestrictive clauses are.  ② A restrictive relative clause defines a specific component, indicating a particular object or thing. ③ a non-restrictive relative clause provides additional information that does not change the overall meaning if it is omitted. ④ In other words, if a restrictive relative clause is omitted, the component will differ from the previous version. $$