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