Lesson 19 Sold out
·单词
hurry v. 匆忙
·hurry to the ticket office 匆忙赶去售票处
·hurriedly adv. 匆忙地
·do sth. hurriedly
ticket office 售票处
pity n. 令人遗憾的事
exclaim v. 大声说
return v. 退回（返回）
·return the books 退还这些书
·return home 回家
·return n. 返回，回来
·return ticket 往返票：一种可以在同一路线上往返两次的交通票，通常用于火车、公共汽车或飞机
sadly adv. 悲哀的，丧气的
·sad adj. 伤心的
·本课句型
情态动词 may/can
情态动词 may（might）
·推测 “可能” 可能性比must小，但是用法一样
·may do（推测现在）/may have done（推测过去）
·请求允许？（用在疑问句当中，只能接主语 I） “可以吗？” May I do sth.?
·允许（陈述句当中表示允许，不限制主语） “可以” I/You/They may ...
A：May I come in?
B：You may come in and have something to drinl.
情态动词 can（could）
·能力 “能，能够”
·Trust yourself! You can do it.
·请求允许？（不限制人称） “可以吗？”
·允许（不限制人称） “可以”
A：Can I help you?/What can I do for you?
B：You can help me to fine my size.
·推测（常用于否定）can't/couldn't "不可能"
·He is abroad. It can't be him.
·课文
'The play may begin at any moment,' I said.
'It may have begun already,' Susan answered.
I hurried to the ticket office. 'May I have two tickets please?' I asked.
'I'm sorry, we've sold out,' the girl said.
'What a pity!' Susan exclaimed.
Just then, a man hurried to the ticket office.
'Can I return these two tickets?' he asked.
'Certainly,' the girl said.
I went back to the ticket office at once.
'Could I have those two tickets please ' I asked.
'Certainly, 'the girl said, 'but they are for next Wednesday's performance. Do you still want them?
'I might as well have them,' I said sadly.
What a pity! 真遗憾
at once 立刻
Could I ... please 上一课说过，情态动词的过去式有指礼貌地请求的意思
might（may） as well ... 不妨，索性：表示同意某个建议或认为某个行动是合适的，尤其是在没有更好的选择时
·知识拓展
With the help of the new technology, you____e-mail your friends by mobile phone. (中考题)
A.can
B.must
C.need
D.should
A，can，表示能力，能够
- Have you decided which senior high school to choose?
- Not yet. I____go to Moonlight School. ( 中考真题)
A.must
B.may
C.need
D.should
B，因为第二句是 Not yet，还没决定，所以是有可能去 may，而 must 是大概率的。
- How's your new babysitter? （babysitter n. 临时照顾幼儿者）
- We____ask for a better one. All our kids love her so much. (高考真题)
A.should
B.might
C.mustn' t
D.couldn' t
D，根据后文的我们所有的孩子都很爱她，可以推测前文我们再也找不到比她更好的了 couldn't
This TV program is quite boring. We might____(不妨听听音乐) .(四级翻译真题)
might as well listen to music. = might listen to music as well.
不规则变化的动词：
原型 过去式 过去分词 动词ing
·sell sold sold
