考点一各种时态的被动语态的构成被动语态是由“be +过去分词”构成。被动语态的时态通过助动词be的变化来体现。助动词be必须与主语的人称和数相一致。常见的被动结构有(PP代表过去分词):常用时态被动结构例句一般现在时am/is/are+PPEnglish is spoken by many people in the world.一般过去时was/were+PPThey were given a warm send-off.一般将来时will/shall be+PPA new bridge will be built over the river next year.现在进行时am/is/are+being+PPI think we are being followed. 过去进行时was/were +being+PPThey told me that they were being questioned by the police.现在完成时have/has been+PPAll fli
