现在完成时VS一般过去时（结合哈利波特原句讲解）课件 2022-2023学年牛津译林版八年级英语下册

Comparing Simple Past Tense and Present Perfect Tense in Harry Potter 1 CONTENTS Slide 1: Introduction Slide 2: Simple Past Tense Slide 3: Signal Words for Simple Past Tense Slide 4: Present Perfect Tense Slide 5: Signal Words for Present Perfect Tense Slide 6: Differences in Usage Slide 7: Practice Exercise Slide 8: Review and Conclusion Slide 9: Additional Resources 2 01 Slide 1: Introduction 3 Slide 1: Introduction Greet the students and introduce the topic: "Understanding verb tenses is important for expressing actions in the past. Today, we will explore the differences between the simple past tense and the present perfect tense using examples from the magical world of Harry Potter." 4 02 Slide 2: Simple Past Tense 5 Slide 2: Simple Past Tense Define the simple past tense: "The simple past tense is used to talk about completed actions in the past." Provide examples related to Harry Potter: "Harry defeated Lord Voldemort. Ron and Hermione helped Harry during his journey." 6 03 Slide 3: Signal Words for Simple Past Tense 7 Slide 3: Signal Words for Simple Past Tense Explain signal words: "Signal words are words that indicate the use of a particular tense." List signal words for the simple past tense: "yesterday, last week, ago, in 1997, when, etc." Show examples in Harry Potter context: "Harry received his Hogwarts letter last summer. The Triwizard Tournament happened in Harry's fourth year." 8 04 Slide 4: Present Perfect Tense 9 Slide 4: Present Perfect Tense Define the present perfect tense: "The present perfect tense is used to connect the past and the present, indicating that an action happened at an unspecified time before now." Provide examples related to Harry Potter: "Harry has visited the Chamber of Secrets. Ron and Hermione have studied many magical creatures." 10 05 Slide 5: Signal Words for Present Perfect Tense 11 Slide 5: Signal Words for Present Perfect Tense Explain signal words: "Just like the simple past tense, the present perfect tense also h