被动语态练习 (2)

被动语态练习I. 被动语态的概念： 当句子的语是动作的执行者时，谓语的形式是主动语态； 当句子的语是动作的承受者时，谓语的形式是被动语态；II. 被动语态的构成： ，时态通过 表现出来，具体如下：一般现在时： e.g.: Xiao Ming loves his lovely dog very much. (变为被动语态) 一般过去时： e.g.: The murder killed that respected president in 1963. (变为被动语态) 一般将来时： e.g.: The scientists will solve the energy problem for us some day. (变为被动语态) 现在进行时： e.g.: Sally is reading Renai English Post in her room now. (变为被动语态) 过去进行时： e.g.: My father was mending my old bike when I called him. (变为被动语态) 现在完成时： e.g.: China has taken many useful measures to control population. (变为被动语态) 情态动词： e.g.: Everyone should plant more trees to make the air clearer and fresher. (变为被动语态) III. 根据要求完成句子：1. Every one to protect the environment every day. (call)2. More and more poor children by the kind lady in the future. (help)3. I dont understand this sentence. Could you please it Chinese? (translate)4. So far, many difficult problems in the school by the headmaster. (solve)5. Two trees by the student yesterday. (plant)6. The sign “NO SMOKING” can in our teachers office. (see)7. The pollution as the most serious problem now. (regard)8. Many students enjoy cartoon films in our school. (改为被动语态) 9. People sell stamps in a post office. (改为被动语态) 10. 英语是使用得最广泛的语言。(翻译成英语)