Module 4 Unit3 课件 2023-2024学年外研版英语八年级下册

Seeing the doctor Module 4 Unit 3 Language in use I have learned English for five years. I have learned English since five years ago. present future past learned English 现在完成时可以表示某一行为或状态从过去某时间一直持续到现在，这时常与表示一段时间的时间状语连用，这类状语通常由since或for引导。 five years ago How long have you learned English? Present perfect (3) Focus on 用法 for 和 since 在现在完成时中的用法 I have learned English for five years. I have learned English since five years ago. Look at these sentences. for+段时间 since+点时间 如何区分段时间和点时间呢？ 5:30 five years three minutes 2015 May 5 two months 点时间 点时间 段时间 点时间 段时间 段时间 点时间指的是具体的时间，比如2点、3月8日、2022年5月；段时间指的是一段时间内，比如说一点到三点，中间这两个小时就是一段时间。 试着说说哪些是点时间，哪些是段时间 since和for加时间的用法： since:自……以来 since+过去的点时间 He has stayed here since 5 o'clock yesterday. since+段时间+ago He has stayed here since 5 hours ago. since+从句(动词用过去时) She has taught English since he came here. for:长达 for+段时间 He has kept the book for 2 weeks. 用for或since填空。 1.We haven't seen each other _____ a long time. 2.His father has been in the Party _____ ten years ago. 3.Mr Green has worked here _____ he came to China. 4.The film has been on _____ 20 minutes. for since since for ( ) 1.---How long have you learned English, Angela? ---I have learn English ______ eight years ago. A. For B. Since C. In ( ) 2.---Have you had your car ______ a long time? ---Not really. I have had it ______ two months ago. A.for; since B.since;for C.for; for ( ) 3.We __________football for a year now. A. have played B. are playing C. played. ( ) 4. ________has Mr. White been a member of Greener China since he________to China? A. How soon; has been B. How long; has been C. How long; came D. How soon; came B A A C 1. How long have you played football? 你踢足球踢了多长时间了？ 2. How long have you been like this? 你这个样子有多久了？ 3. How long have you had the dog? 这条狗你养了多久了？ 观察句中动词，你能发现什么？ 这些动词都是延续性动词。 在对现在完成时的时间状语进行提问时，我们常用how long。 考考你---难点来啦 我已经借了这本书三周了。 I have