第四讲状语从句时间和条件状语从句 [全析考法]Ⅰ.单句语法填空 1．(2018·北京高考改编)________ we don't stop climate change, many animals and plants in the world will be gone.解析：If 句意：如果我们不阻止气候变化，世界上的许多动植物将会消失。根据句意可知，此处应该用 if 引导条件状语从句，表示主句内容发生的条件。2．(2016·全国卷Ⅲ)Over time, ________ the population grew, people began cutting food into small pieces so it would cook more quickly. 解析： as/when 句意：慢慢地，随着人口的增加(或：当人口增加时)，为了使食物熟得更快，人们开始把食物切成小块。根据句意可知，此处可用 as/when 引导时间状语从句。3．(2016·四川高考)The mother held the baby in her front paws much the way a human does.________ it cried, she rocked it back and forth and gave it little comforting pats.解析： When/If 第二句句意：当它哭的时候/如果它哭了，熊猫妈妈会来回摇晃它，轻轻拍打，给它安慰。根据句意可知，应填 when 或 if。4．(2014·辽宁高考)Unbelievable! Oh ...，________ you don't mind, I'll stop and take a deep breath.解析：if 此处表示：噢……如果你不介意，我要停下来做一下深呼吸。根据句意可知，应填 if 引导条件状语从句。Ⅱ.单句改错1 ． (2018· 全 国 卷 Ⅱ )The games my parents taught me where I was a child turned out to be very useful later in my life.________________解析：where→when 根据句意可知，父母是在我小时候教我玩纸牌的，所以此处要用when 引导时间状语从句。2．(2015·陕西高考)My only mistake was that I dropped some on the floor after I was packing them up. ________________解析： after→when/while 句意：我所犯的唯一的错误就是当我打包它们(饼干)的时候，掉在了地上一些。when/while“当……的时候”，after“在……之后”。根据句意应将 after 改为 when/while。[谨记规则](一)时间状语从句1．when, while 和 as 引导的时间状语从句连词含义用法when当……时候可与延续性动词或非延续性动词连用；从句动作可以发生在主句动作之前、之后或与主句动作同时发生while当……时候只可与延续性动...
