英语情景对话：
A: It is too bad today.
今天糟透了。
B: What happened?
怎么了？
A: My som lost. I told him to stand rooted to the spot when I went shopping, but he ignored it.
我儿子丢了。我去买东西的时候告诉他站在原地不动，但是她没把这当回事。
B: How did you find him at last?
最后你如何找到他的呢？
A: It was the police wo helped me to do that.
是警察帮我找到他的。
B: It must have taught you a lesson this time.
这件事情一定给你很深的教训吧。
习语
stand rooted to the spot
1 解词释义
Root的本义是“生根”，spot是指“地点”。此语的字面意思是“想生了根一样站在那里”，比喻“固定不动”“站在原地不动”等。
2 支持范例
e.g. I stood rooted to the spot from the time she went in until the moment she came out.
我从她进去一直到她出来，一动都没有动。
英语学习笔记：
1 go shopping：购物
e.g. Before I go shopping, I make a list of the things I must buy.
在上街买东西之前，我把必须买的东西列出一个单子。
e.g. If it's all the same to you, I'd prefer to go shopping by myself.
如果你无所谓，我就自己一个人去购物。
e.g. I'll go shopping with you just to keep you company.
我跟你作伴，陪你一起去买东西。
e.g. I live just by the market, and it's very convenient to go shopping.
我家就住在商场旁边, 买东西很方便。
2 at last：最后
e.g. At last the fury of the storm lessened.
风暴的猛烈程度终于降低了。
e.g. After a long dispute, he at last made a concession to me.
经过长时间的争论，他终于对我让步。
e.g. At last firemen have put out a big forest fire in California.
消防队员终于扑灭了加利福尼亚洲的一场森林大火。
e.g. At last his plan came off.
他的计划最终还是成功了。
3 teach somebody a lesson：给某人教训
e.g. He glared at Bill and was ready to teach him a lesson.
他怒视着比尔,准备教训他一顿。
e.g. If he did not stop his nonsense, they would teach him a lesson he would never forget.
如果他再不停止胡言乱语，他们就要狠狠地教训他一番，叫他终身难忘。
e.g. That will teach him a lesson!It doesn't pay to make fun of the law, my man!
那会给他一个教训！与法律开玩笑绝不会有好下场，我的老弟。
e.g. I've got to teach him a lesson because he always tries to seduce my fiancee.
我必须给他一个教训,因为他老是试图勾引我的未婚妻。
口语句型
1. It+系动词+who do something.
指点迷津：这是强调句式，对主语进行强调。
句型操练：It was Mary who broke the flower vase.
是玛丽打破了花瓶。
2 Somebody must have done something.
指点迷津：这个句式是情态动词must在虚拟语气中的用法，表示对过去的事情的非常肯定的猜测。
句型操练：He must have been sick yesterday. He might come back to work today.
他昨天一定是生病了，今天应该回来上班的。
