英语人教版九年级全册unit5SectionA(1a-2d).ppt

;Unit 5 What are the shirts made of?;动词的语态; 被动语态的构成: 被动语态由“主语+助动词be+及物动词的 过去分词”构成。与主动语态一样，被动 语态也有时态、人称和数的变化, 其变化 规则与be作为连系动词时完全一样。 ;;;1. Usually computers _______ (use) to get information on the Internet. 2. I ________ (ask) to clean my bedroom every day by my mother. 3. Trees __________ (plant) in spring. 4. The brown desk _______ (make) of wood.;1.Cheese ________ (make) from milk. 2.Parents and students ___________ (invite) to the school concert last night. 3.The underground parking lot ________ (close) at midnight every day. 4.There is a lot of research on how languages __________ (learn). 5.Some classic films __________ (show) at that cinema last week.;1. Children under 18 _____________ (not allow) to watch this show without their parents. ;4. Most of the earth’s surface ___________ (cover) by water. 5. The classroom _________ (clean) by the students every day. ;1. The Secondary School Entrance Exams _______ (hold) in June. 2. A strange noise __________ (hear) by his mother last night. 3. A wide road _____________ (build) between the two villages by those people next year. ;考点例析;— Excuse me. Im looking for Be the Best of Yourself. — Sorry. The book you ask for______ out. A. is selling B. is sold C. was selling D. will be sold 【解析】主语the book和动词sell构成被动关系，又时态为一般现在时，因此用一般现在时的被动语态。答语句意“对不起，你要的书已售完”。故选B。;Han Han’s books are popular. They _______ by many teenagers. A. is read B. was read C. are read D. were read 【解析】由上句可知韩寒的书很受欢迎，用一般现在时；主语they是复数形式，故答案选C项。;— At present, one of the best ways to study is working in groups. — More chances _______ to students to learn from each other. A. offer B. are offered C. have offered D. are offering 【解析】句子大意为“小组学习为学生提供了更多相互学习的机会”。“机会”和“提供”之间存在被动关系，须用被动语态。四个选项中，只有are offered为被动语态。故选B。;Didn’t you see the si