68语法 1.虚拟语气

虚拟语气是说话者用来表示一种假想，或者难以达到的情形，而非客观存在的事实。2.虚式语气在条件句中的使用：条件句有真实条件句和虚拟条件句。当主句不需要虚拟语气时，

68 语法 1.虚拟语气

• 1.表格
  • 现在
    • 过去式/were
      • would/could/should/might+v
        • should用于第一人称
  • 过去
    • had done
      • would/could/should/might+have done
        • should用于第一人称
  • 未来
    • 1.过去式
    • 2.should+v
    • 3.were to do
    • would/could/should/might+v
      • should用于第一人称
  • 举例
    • 1.过去
      • If you had got here five minutes earlier,you would have caught the bus.
    • 2.现在
      • If I were not busy,I would help you now.
    • 3.未来
      • What should we do if it were to snow tomorrow?
• 2.特殊考点
  • 如果虚拟条件句的谓语部分有were,had,should时，可省略if,把were,had,should放到从句主语前面，多见于书面语。
    • 例：Were they to cease adverising=if they were to cease adverising.
• 3.补充考点
  • 1.表示要求，命令，建议的虚拟语气
    • 使用should+动词原型,或者将should省略
      • 这类动词有insist,order,command,advise,suggest,propose,demand,require,request,ask,recommend,urge(催促) + that + (should) +v
  • 2.It's(about/high)time + that 过去式 或者 should + V
• 4.隐含的虚拟语气（without,but for, otherwise/or)+主句 （与if相同）
• 5.would rather 宁愿
  • 与现在、将来事实相反 did/were
  • 与过去事实相反 have done
• 思考题：Mr.Smith is badly ill,or he would come to our dinner party.(对现在情况的虚拟)
  • or表示否则，后面的句子是主句