Understanding "When" & "Preposition + Which" in Attributive Clauses

1. The Usage of“when” and “preposition+ which”in Attributive Clause（Review Lesson） 人教版高中英语必修三 U1 Festivals around the world 华南师范大学外文 吴紫晴

2. preposition + which

3. Detailed explanation “when” refers to time. It acts as a time adverbial in attributive clause. Its antecedents are usually time, day, morning, night, week, year, moment, period, age，and so on. Also, it can be replaced by “preposition+which”.

4. Antecedent 先行词 Relative Adverb 关系副词 It is now a children’s festival , when they can dress up and go to their neighbors' homes to ask for sweets. at/on Halloween at/on which

5. Relative Adverb 关系副词 Antecedent 先行词 China and Japan have Mid-autumn festivals, when people admire the moon and in China , enjoy moon cakes. at Mid-autumn festival at which

6. Attention！ “when/preposition + which” is not always used with the antecedents referring to time. If the antecedent referring to time acts as a subject or an object, “which/that” should be used.

7. Tips

8. More examples which/ that We often think of the days _____________we spent together in the countryside. Object We often think of those days _______________we have a happy time together in the countryside. when/ in which Time adverbial in those days

9. Exercises • I shall never forget the day ________ Shen Zhou V was launched. • A. when B. that C. in which D. at which • Some pictures of the river brought the days back to the old • ________ they swam in it. • where B. that C. in which D. where • He stayed there for a whole day ________ was very valuable for him. • A. that B. when C. in which D. on which Time adverbial on the day/ when Time adverbial in the days/ when Subject which/ that

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