Unit2 Grammar课件 2022-2023学年牛津译林版八年级英语下册

Grammar Unit 2 Travelling A. Using have/has been and have/has gone have/has been to 表示曾经去过某地，人已回来。 My uncle has been to the US for three times. have/has been to have/has gone to 表示去某地了，人未回来。 Where’s your mother? She has gone to the supermarket near our home. have/has gone to have/has been in 表示表示在某地待了一段时间。 My uncle has been in the US for three days. have/has been in there, here, home, abroad是常见地点副词，此类词前不能用介词连接 has gone have been has been have gone has gone A1 has gone has gone Have been have been have gone Have been have been A2 B. Verbs with for and since for: + 段时间 for a year, for two weeks, for three years... Since +点时间 过去的时间点, since last week, since 2008… 一段时间+ago, since 9 years ago, since 3 days ago… 一般过去时的时间状语从句：since he moved here, since I was born… for & since 当句子带有for/since短语（从句）时，主句用现在完成时，且动词为延续性动词。 短暂性动词(come, go, leave, buy …)可以用于现在完成时。但不能用于带有for/since的肯定句中。 for & since 10 He has left Beijing for a week. He has not left Beijing yet. He has been away from Beijing for a week. He has bought a car since 2007. He has not bought any new car since 2007. He has had a car since 2007. × √ for & since × √ √ √ 11 11 电影已经开始了。 The film has begun. 电影已经开始30分钟了。 He for 30 minutes. since 30 minutes ago. has begin 短暂性动词 → be on 延续性动词 been on 短暂性动词→延续性动词 Verb Used for a continuous state begin / start have/has been on finish / stop have/has been over come / go / arrive have/has been in/at leave have/has been away borrow have/has kept join have/has been in have/has been a member of marry have/has been married die have/has been dead 与for 或since等表示的时间段连用 短暂性动词→延续性动词 arrived have been borrowed have gone have kept began has been More about Kitty’s trip 1．My parents ___________(be) to Beijing many times. 2．Lucy ___________ (go) to Shanghai. She’ll be back in a week. 3．I ______________ (become) much better at speaking English since I started junior high school.