Unit5 Grammar Focus（一般现在时&一般过去时被动语态）强化专练 2026-2027学年人教版英语九年级上册

人教版九年级英语Unit5 Grammar Focus （一般现在时&一般过去时被动语态） 强化专练 I.单项选择 1. A notice about the school art show ______ on the classroom wall yesterday. A. put B. was put C. puts D. is put 2. Betty ______ to play outside by her dad because she didn't finish homework last Saturday. A. wasn't allowed B. didn't allow C. isn't allowed D. doesn't allow 3. The classroom ______ every morning. It’s always clean. A. cleans B. is cleaned C. was cleaned D. will be cleaned 4. The problem ______ easily by us if we work hard. A. can solve B. can be solved C. must solve D. must be solving 5. A new storybook ______ to me as a reward by my teacher last term. A. gave B. was given C. gives D. is given 6. —When ______ the word “robot” ______ for the first time? —In 1920. A. was; introduced B. is; introduced C. did; introduce D. does; introduce Ⅱ.主动句变被动句, 每空一词。 1. We must finish our homework before 9 o’clock. Our homework ______ ______ ______ before 9 o’clock. 2. People invented the first 3D printer in the 1980s. The first 3D printer ______ ______ by people in the 1980s. 3. We should protect the environment around us. The environment around us ______ ______ ______. 4. They built many bridges for the Qinghai–Xizang Railway. Many bridges ______ ______ by them for the Qinghai–Xizang Railway. 5. The school rules ______ ________ (follow) by all students every day. Ⅲ.语境填空 (用所给词的适当形式填空)。 In the world of creative ideas and invention, many great ideas change our lives. The radio ___________(invent) by Guglielmo Marconi in 1895, and it has become one of the most important inventions in history. Today, new inventions ___________(create) every day to make our life easier. Last month, a new type of smart pen ______________(develop) by a group of students in our school. This smart pen can help us take notes quickly, and it _______ (improve) our study efficiency. In the future, more useful inventions will be introduced to solve different problems. These new inventions should _________(test) carefully before they _____ (put) into use. It is believed that with more efforts, more amazing inventions can ____________(make) to make the world better. 参考答案及详细解析 Ⅰ.单项选择 1. 答案：B 解析：时间标志词 yesterday（昨天），确定为一般过去时；主语 a notice 和 put（张贴）是被动关系。一般过去时被动语态结构：was/were + 过去分词。主语为单数，put 的过去分词还是 put，因此选 was put。句意：一则关于学校艺术展的通知昨天被张贴在教室的墙上。 2. 答案：A 解析：时间标志 last Saturday（上周六）为一般过去时；主语 Betty 与 allow 是被动关系，be allowed to do sth. 意为 “被允许做某事”，本句表否定。一般过去时否定被动：wasn’t/weren’t + 过去分词，主语是第三人称单数，用 wasn't allowed。句意：上周六贝蒂没有完成作业，所以她不被爸爸允许出去玩。 3. 答案：B 解析：every morning（每天早上）是一般现在时标志；主语 the classroom 和 clean（打扫）为被动关系。一般现在时被动结构：am/is/are + 过去分词，主语单数，故用 is cleaned。句意：教室每天早上都被打扫，总是很干净。 4. 答案：B 解析：主语 the problem 和 solve（解决）是被动关系；情态动词的被动语态结构：情态动词 + be + 过去分词。can be solved 表示 “能够被解决”。句意：如果我们努力，这个问题就能被我们轻松解决。 5. 答案：B 解析：last term（上学期）为一般过去时；主语 A new storybook 和 give 是被动关系。一般过去时被动：was/were + 过去分词，主语单数，was given “被给予”。句意：上学期，老师把一本新故事书作为奖励送给了我。 6. 答案：A 解析：答语 In 1920 表示过去时间；主语 the word “robot” 和 introduce（引入）是被动关系。一般过去时被动疑问句：was/were + 主语 + 过去分词，主语单数，选 was; introduced。句意：—“robot” 这个单词第一次是什么时候被引入的？— 在 1920 年。 Ⅱ.主动句变被动句（每空一词） 7. 答案：must be finished 解析：情态动词 must 的被动结构：must + be + 过去分词；finish 的过去分词为 finished。句意：我们的作业必须在 9 点前完成。 8. 答案：was invented 解析：in the 1980s（20 世纪 80 年代）为一般过去时；主语 the first 3D printer 是单数，和 invent 为被动，一般过去时被动用 was invented。句意：第一台 3D 打印机是人们在 20 世纪 80 年代发明的。 9. 答案：should be protected 解析：情态动词 should 的被动结构：should + be + 过去分词；protect 过去分词 protected。句意：我们周围的环境应当被保护。 10. 答案：were built 解析：事情发生在过去；主语 many bridges 是复数，build 过去分词 built；复数主语的一般过去时被动用 were built。句意：他们为青藏铁路修建了许多桥梁。 11. 答案：are followed 解析：every day 为一般现在时；主语 the school rules 是复数，rules 和 follow（遵守）被动，一般现在时复数被动 are followed。句意：所有学生每天都应当遵守校规。 Ⅲ.语境填空 答案：was invented；are created；was developed；improves；be tested；are put；be made 逐空解析： 12. was invented：时间 in 1895 是过去；主语 the radio 单数，radio 与 invent（发明）是被动，用一般过去时被动。 13. are created：today、every day 为一般现在时；主语 new inventions 是复数，发明是 “被创造”，一般现在时被动。 14. was developed：last month（上个月）表过去；主语 a new type of smart pen 视为单数，智能笔 “被研发”，一般过去时被动。 15. improves：it 指代 smart pen，笔可以主动提升学习效率，用主动语态；一般现在时，主语 it，动词用第三人称单数形式 improves。 16. be tested：should 是情态动词，情态动词被动结构：should + be + 过去分词，表示 “应当被测试”。 17. are put：before 引导时间状语从句，遵循 “主将从现”，从句用一般现在时表将来；they 指代复数 inventions，“被投入使用”，被动语态 are put。 18. be made：can 是情态动词，情态动词被动：can + be + 过去分词，can be made 意为 “能够被制造 / 创造”。 核心语法小结 19. 一般现在时被动：am /is/are + 动词过去分词 20. 一般过去时被动：was /were + 动词过去分词 21. 情态动词被动：can /must/should + be + 动词过去分词 解题思路：①判断主语和动词是主动还是被动；②根据时间标志确定时态；③套用对应被动语态结构。 2 学科网（北京）股份有限公司 $