【弯道超车】Unit 2 I think that mooncakes are delicious！核心语法之现在完成时-2025年人教新目标版九年级全册英语精讲精练 (含答案解析)

/ 让学习更有效 新课备课备考 | 英语学科 / 让学习更有效 新课备课备考 | 英语学科 2025年人教新目标（Go for it）版九年级全册英语精讲精练 Unit 2 I think that mooncakes are delicious！ 核心语法：现在完成时 一、核心概念 现在完成时是连接过去与现在的桥梁，主要表达： 已完成动作对现在的影响或结果 持续状态从过去延续至今 ![时间轴图示]（建议图示：左侧标"过去"，右侧标"现在"，中间用箭头连接） 二、结构公式 句式 结构 例句 肯定句 主语 + have/has + 过去分词 I have seen the movie. 否定句 主语 + haven't/hasn't + 过去分词 She hasn't finished her work. 疑问句 Have/Has + 主语 + 过去分词？ Have you eaten breakfast 注意： 第三人称单数用 has（he/she/it） 过去分词：规则动词+ed，不规则动词需记忆（如 go→gone, see→seen） 三、四大核心用法 1、经历表达（Ever/Never） Have you ever been to Beijing I have never tried sushi. 2、已完成动作（Just/Already/Yet） She has just left.（刚离开，现在不在） Have you finished your homework yet 3、持续状态（For/Since） They have lived here for 10 years.（仍住在这里） I have known her since 2020.（至今仍认识） 4、重复动作 He has visited Paris three times. 四、标志性时间状语 类型 关键词 例句 不确定时间 already, just, yet I have already done it. 经历询问 ever, never, before Have you ever ridden a horse 持续时长 for + 时间段, since + 时间点 She has worked here since 2018. 次数统计 once, twice, ...times We have met twice this month. 禁区警示： 不能与明确过去时间连用（yesterday, last week） 正确：I have finished my homework.（未说何时完成） 错误：I have finished my homework yesterday. 五、易错点突破 1、延续性 vs. 非延续性动词 动词类型 正确用法 错误用法 延续性动词 I have lived here for 2 years. - 非延续性动词 I have had this car since 2020. have bought 2、have been to vs. have gone to She has been to Tokyo.（曾去过，已回） Tom has gone to London.（已去，未回） 3、时态对比 现在完成时 一般过去时 I have lost my keys.（现在找不到） I lost my keys yesterday.（仅陈述事实） 六、记忆口诀 "现在完成时，过去连如今； have/has加过分，already/yet要记清； for接时间段，since跟时间点； 非延续动词需转换，been/gone别混淆！" 1．My parents _____ Beijing on business for a whole week, so I live with my grandparents these days. A．have been to B．have been in C．have gone to D．have arrived in 2．—Mom, I want to watch The Lion King on CCTV Channel 6 tonight. —Oh, e on! It _____ for a few minutes. A．has begun B．will begin C．has been on D．will be on 3．—Is Mr. Clark there I need to talk to him. —Sorry, he _____ Shanghai on business for three days. A．went to B．has gone to C．has been in D．has been to 4．Mrs. Wu, we _____ the cleaning work. Can we go home now A．finish B．have finished C．will finish 5．—Why are you in such a hurry —Because the class _____ for 10 minutes. A．is on B．begins C．has been on D．has begun 6．The number of Chinese Weibo users _____ 600 million in recent years. A．has reached B．have reached C．reached D．will reach 7．Daming _____ a member of the school space club for two years. A．was B．is C．will be D．has been 8．—_____ you ever _____ ... ...