1、 作文指导主动句和被动句的变换什么时候用被动，什么时候用主动，主要是由陈述对象决定的。英语写作中特别强调陈述对象的一致性，因此考生在选择主动和被动时一定要慎重。主动变被动1不需体现动作的执行者【佳句选粹】【原文】【优化】It will certainly produce_a_great_change in the worlds communications.A_great_change_will_certainly_be_produced in the worlds communications. 【分析】本句强调“a great change”，使用被动语态会使其更符合英文表达。2.需要强调
2、动作的承受者【佳句选粹】【原文】【优化】The earthquake destroyed_many_buildings_and_houses on May 12th,2008.Many_buildings_and_houses_were_destroyed by the earthquake on May 12th,2008.【分析】为了强调“many buildings and houses”被毁坏，用被动语态更好。3.保持陈述对象的一致，以求行文连贯【佳句选粹】【原文】【优化】My mothers words moved_me，and I felt so ashamed for my st
3、ubbornness.I_was_so_moved by my mothers words，and I felt so ashamed for my stubbornness.【分析】为了保证两个句子的主语一致，把第1个句子变为被动语态，以使句子连贯。被动变主动1需要体现动作的执行者【佳句选粹】【原文】【优化】Now listening more to their children is_paid_more_attention_to by most parents，so they will understand them better.Now most parents pay_more_att
4、ention_to listening more to their children，so they will understand them better.【分析】本句想表达“现在父母们更注重倾听孩子们的心声了”，因此句子要体现“most parents”的行为，因此用主动语态。2.保持陈述对象的一致，以求行文连贯【佳句选粹】【原文】【优化】If we dont know how_the_wastes_should_be_used，we can sell them to the recycling stationIf we dont know how_to_use_the_wastes，we can sell them to the recycling station【分析】原文中if引导的从句中的宾语从句 (how the.used) 的被动语态导致 if 从句中前后陈述对象混乱，影响了句意的明晰和语言的流畅。
