Unit7知识汇总+随堂练习 2023-2024学年人教版英语九年级全册

九年级英语（上） Unit7 Teenagers should be allowed to choose their own clothes. 一、知识点回顾 学科网（北京）股份有限公司 知识点讲解 1. Sixteen-year-olds shouldn’t be allowed to drive. 十六岁的青少年不应该被允许开车。 · Sixteen-year-olds 意为“十六岁的青少年”，由连字符构成的“数次-名词”结构，其中名词必须用单数，例如：a five-day holiday a ten-minute walk等。 · Allow doing sth,allow sb to do sth 其被动语态结构是sb be allowed to do sth.（=advise） I am allowed to watch TV at weekends. 我被允许周末看电视。 My parents allow me to stay up until 10 o’clock. 父母亲允许我熬夜直到10点。 · “should be allowed”是含有情态动词的被动语态，在此句型中，be动词都要用原型，位于情态动词之后，其否定形式要在情态动词后加not.例如： The dogs should be kept away from people. ( )1. Your teeth ______ everyday. A. must brush B. must be brushed C. must brushed D. be brushed ( )2. Waste paper ______ here. A. shouldn’t be thrown B. should be thrown C. shouldn’t throw D. be thrown ( )3. A new hospital ______ in our city. A. will build B. will built C. will be built D. be will built ( )4.--- How often do I need to feed the dog? --- It _______ food every day, or it will be hungry. A. must give B. must be give C. must be given D. must be gave 2. get /have sth done与have sb do sth 的区别 get /have sth done 表示请人，找人做事，其中done 是过去分词做宾补，表被动。 have sb do sth 表示让某人做某事，其中do 是不定式省略了符号to，做宾语补足语，表主动,类似的还有make/let sb do sth。 1.My mother have me__________ my homework. 我妈妈让我做家务。 2.I have my homework_________. 我把作业做完了。 ( )3.She couldn’t get her words________by her students. A. understanding B.understood C.understand D. to understand 拓展：主动结构表被动意义的情况 (1)open, lock, write, read, sell, clean, watch, cut, burn， drive等词作不及物动词时，它们的主语为物，可用主动语态表被动意义。 This kind of pen writes very smoothly.这种钢笔写起来很顺畅。 This kind of shirts sells well here.这种衬衫在这里卖得很好。 (2)look， sound， taste， smell 等系动词用主动结构表被动意义。 Light music sounds soft.轻音乐听起来很柔和。 Mooncakes taste delicious月饼尝起来很好吃。 (3) be worth doing用主动形式表被动意义。 This book is worth reading.这本书值得