Unit1 The Changing World.单元语法过关练 2026-2027学年人教版英语九年级上册

Unit1 The Changing World.单元语法过关练 Part1 语法讲解 一般过去时与现在完成时 一般过去时 现在完成时 定义 过去某个具体时间发生、且现在已经结束的动作或状态，不强调对 “现在” 的影响。 ① 过去发生的动作，对现在有明确影响； ② 过去开始的动作，持续到现在还没结束。 基本结构 主语＋动词过去式(be 动词用was/were，实义动词变过去式) 主语＋have/has＋动词过去分词(be 动词过去分词是been，实义动词变过去分词) 常见标志词 表过去的时间：yesterday，last week，two days ago，in 2020，this morning等；过去的具体场景：when I was 10，just now。 表“影响” (不确定过去时间)：already，yet，ever，just等；表“持续” (从过去到现在的时间段)：since＋过去时间点，for＋时间段，recently，in the past 5 years等。 例句 She went to the park yesterday. 她昨天去了公园。 She has already gone to the park.她已经去公园了。 Part2 语法专练 一、用括号内所给词的适当形式填空。 1.I’m so happy that I ________________ (finish) nearly half of my homework till now. 2.Who _______ (hide) my basketball behind the tree？It took me a long time to find it. 3.Recently，more and more people ___________ (choose) to visit Yangzhou during holidays. 4.—_______ you _______ the film before，Lily？ —Yes.I ______ it online the other day.(see) 5.—_______ your sister _______ (come) back from Yunnan？ —Yes.She ______ (stay) there for two months to help train teachers in the countryside. 6.The old man _________ last year.He _______________ for a year.(die) 7.—Where _______ you _______ before joining this company？ —I _______ in the IT department of a start-up for two years.(work) 8.I ___________ really busy recently，so I ____________ out too much.(be) 9.It’s necessary for him _______ (lose) weight for he is too fat. 10.Maybe you can’t imagine how ______ (wide) AI will be used in our lives. 11.We noticed a warning sign near the railway ________ (track)，reminding people not to play around there. 12.I've been looking forward to a trip to Hong Kong for ________ (age)，but I still wonder whether June is a good time to visit Hong Kong. 13.After the rain，the ____ on the road made my sports shoes ____.(dirt) 二、根据汉语意思完成句子，每空一词。 14.江先生的清洁机器人感染病毒了。结果，他的公寓一片混乱。 Mr Jiang's cleaning robot caught a virus._____ _____ _______，his flat was in a mess. 15.那个地区过去有很多狼，但现在已所剩无几了。 _______ _______ _____ _____ many wolves in that area，but only a few remain today. 16.在当地政府的帮助下，我的家乡发生了翻天覆地的变化。 With the help of the local government，great changes _________ _______ _______ in my hometown. 17.我们需要提升数字质量和音频质量，以优化用户体验。 We need to improve _______ _____ ______ _____ _______ quality to enhance the user experience. 18.在过去，这位老邮递员跋山涉水给偏远村庄的人们送信。 In the past，the old postman _________ _____ __________ _____ _______ to send letters to people in remote villages. 三、语篇练语法。 My hometown is a small but beautiful town.I 19._______ (leave) my hometown ten years ago.Now，when I come back，I find that it 20.____________ (change) a lot. The roads used 21._____ (be) narrow and crowded.The houses were old and small.There was a paper factory near our school.It often 22.______ (put) the waste into the river.Water pollution was also a big problem. Since 2000，our living conditions 23.____________ (improve)a lot.Most of us 24.___________ (move) into big beautiful houses.People used to listen to the radio for news and weather information.But now they can 25._________ (receive) them on TV or online.I believe that people’s life will get better and better in the future. 参考答案 一、1.have finished 2.hid 3.have chosen 4.Have；seen；saw 5.Has；come；stayed 6.died；has been dead 7.did；work；worked 8.have been；haven't been 9.to lose 10.widely 11.track(s) 12.ages 13.dirt；dirty 二、14.As a result 15.There used to be 16.have taken place 17.digital as well as audio 18.crossed over mountains and rivers 三、19.left 20.has changed 21.to be 22.put 23.have improved 24.have moved 25.receive ( 1 ) 学科网（北京）股份有限公司 $