新概念2册L19笔记（情态助动词May/Can）

L19 Sold out

课文单词和备注
  hurry v.&vt. 匆忙  #不及物动词，后面不必跟宾语句子的意义即完整
    to do sth more quickly than usual 比平时的行为更快速点 
    hurriedly adj. 匆忙地
  
  ticket office 售票处
  
  pity n. 令人遗憾的事
    特好用的公式it is a pity that +事件
  
  exclaim v. 大声说  释义to say sth suddenly and loudly especially because of strong emotion or pain
    'It isn't fair!',he exlaimed angrily #这太不公平了，他生气的大喊
    
  return v. 退回
    #我们不得不把这台吹风机退回商店，因为它有问题
    We had to return the hairdyer to the store because it was faulty 
    
  sadly adv.
  
课文备注
  The play may begin at any moment  #作者，at any moment，对现在表推测may +do
  It may had bugun already          #苏珊，already，对过去进行推测，may + had done
  May I have two tickets please?    #may体现买票的心情，比较焦虑
  Can I return these two tickets?   #can体现出了退票人的心情，没有那么激动了
  I might as well have them         #may变成了might，有沮丧的情况，购买的意愿变成更委婉

情态动词may和can

情态动词都有一个基本意和推测意

may表许可/可以；can许可/能

请求:直白-委婉can/could/may/might  #情态动词非过去式

肯定推测
  有把握的时候
    现在推测must do         
    过去推测must have done 
  
  没把握的时候
    现在推测may do          
    过去推测may have done

否定推测can't（情态动词的not形式不能表达推测，因此需要借助can't）
    现在否定推测can't do
    过去否定推测can't have done

课后作业