7雅思托福语法之不定式.pptVIP

2017.08 What? How? 1. 不定式：由不定式to加动词原形构成，有时to可省略。 2. 不定式的语法功能： 主语 宾语 表语 定语 状语 补语 同位语 1. 不定式作主语 不定式在句中既可直接作主语,也可放在句尾,而开头使用形式主语it,尤其当不定式知较长时。 1. 照管宠物可帮助培养孩子的仁慈之心。 To assume the care for pets can help bring out the humanity in our children. 2. 在周末很难保持注意力的集中。 It hard to stay focused at the very end of the week. 3. 发现一个遗失的文明是每个考古学家的梦想。 It s every archaeologist s dream to find a lost civilization. 2. 不定式作表语 表示目的、功能、计划、愿望等的名词作主语时, 要求表语使用不定式。 1. 公司能够从事多秘经营的一个方式是利用现有技术。 One way a company can diversify is to use an existing technology. 2. 笔记本的主要日的是帮你准备一周的学习计划。 The main aim of the notebook is to help you prepare a weekly study schedule. 3. 商业银行的主要职能是为产业融资。 The main function of the merchant banks is to raise capital for industry. 4.做决定的目的是确立和实现组织的目标。 The purpose of making a decision is to establish and achieve organizational objectives. 3. 不定式作宾语 表示目的、功能、计划、愿望等的名词作主语时, 要求表语使用不定式。 1. 一项严格实施的土地保护和覆盖作物种植计划有可能彻底改变地表目前的恶化状况。 A rigorously enforced program of land protection and cover - crop planting may make it possible to reverse the present deterioration of the surface. 比较：These roads made (it ?) possible a reduction in transportation costs. 2.这次探险回来后,他声称在1909年4月7日到达了北极。 When he returned from the expedition , he claimed to have reached the pole on April 7,1909. claim也可跟从句,所以上句可改写为: When he returned from the expedition , he claimed that he had reached the pole on April 7, 1909. 4. 不定式作定语 1. 我确信你会想出最好的事情去做。 I’ m sure you will figure out the best thing to do. 2. 那些都是要了解的重要事情。 Those are all important things to know. 3. 建步行商业区有两个关键因素要考虑——地点和设计。 There are two critical factors to consider when creating a pedestrian mall - location and design. 4. 我们还有几份观测报告要写和几项实验要做。 We got a few more observations and experiments to do. 表示“有事要做”习惯上使用“ have sth.to do”,而不是“ have sth. to be done” 4. 不定式作定语 5. 41岁时,欧文(Irwin)成为第一个获得建筑设计专利的美国女性。 When she was 41, Irwin became the first woman in the united states to receive a patent for an architectural design. 句型: the only( first.next,last,形容词最高级)+不定式” 如