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时态形式 时态种类 主动形式 被动形式 一般现在时 do/does is/am/are done 一般过去时 did was/were done 一般将来时 will/shall do will/shall be done 过去将来时 would do would be done 现在进行时 is/am/are doing is/am/are being done 过去进行时 was/were doing was/were being done 现在完成时 has/have done has/have been done 过去完成时 had done had been done 现在完成进行时 has/have been doing has/have been being done 将来进行时 will be doing will be being done 表示经常发生的、习惯性的动作通常用usually等作时间状语。 I usually have my hair cut once a month. The students often do their experiments in the lab. 学生们常常在实验室做实验。 He is always ready to help others. 他总是准备着帮助他人。 小试牛刀 —So what is the procedure? —All the applicants ______ before a final decision is made by the authority. A. interview B. are interviewing C. are interviewed D. are being interviewed 【答案】C 【解析】句意：“那么步骤是怎样的？”“所有申请人要被面试后才能由专家做出最终的决定。”本题考 | 
