肯定句 主语+am/is/are+过去分词+(by-)
主 语 +am/is/are not+ 过 去 分 词 +(by-) 一般疑问 Am/Is/Are+主语+过去分词+(by)? 句 特殊疑问 特殊疑问词+am/is/are+主语+过 句 去分词+(by-)?
否定句
C to be the 1,The Chinese food _____ healthiest in the world. A. considers B. is considering C. is considered D. has considered 2,这首歌被许多年轻人所喜爱。 This song is loved by many young people.
6、plant planted-planted
asked-asked 7、produce produced-produced 8、ask
9、plan planned-planned 10、send sent-sent
11 、 build built-built 12、invite invited-invited
有各种时态的变化
主语+am/is/are+动词过去分词(by+动词执行者)
主语+was/were+动词过去分词(by+动作执行者)ຫໍສະໝຸດ 一般过去时被动语态肯定句结构
否定句: 在be 动词was/were后加not 一般疑问句: 将be动词was/were提到句首 特殊疑问句: 特殊疑问词+一般疑问句
[2]. The lost boy ____ at the street corner last night. A. was found B. is found C. was looked for