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Unit 4 Why don’t you talk to your parents?
话题：讨论问题，给予建议
1能够掌握提出建议以及回答建议的表达方式 教学目标：○
1提建议以及回答建议的表达方式 重点：○
2until, so that,although用法 ○
重点句型：What’s wrong? 怎么了？
Why don’t you?? =Why not?? 为什么不??呢？ 知识点： 1. 提建议的表达
1why don’t??/Why not??后面接动词原形 ○
Why don’t you have a picnic with us?=Why not have a picnic with us? 你为什么不和我们去野餐呢？
2how about/what about+doing sth ○
3You’d better do sth. 你最好做某事 ○
4Let’s ?shall we? Let’s 后面接动词原形，意为“咱们??，好吗？” ○
5shall we/I?? ○
Shall we go boating?
6Would you like??后接动名词或动词不定式，意为“你们/你想要??吗？” ○
Would you like a cup of coffee?
7Would you please?? 后面接动词原形，意为“请你??好吗？ ○
回答对方的建议时，一般用： Good idea./ That’s a good idea. OK./All right. Yes, please. /I’d love to. No problem. I agree with you.
Sure./ Of course. /Certainly. Yes, I think so./ I will. 表示拒绝时，一般用：
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I don’t think so./ Sorry, I can’t. /Sorry, but? I’d love to/ like to, but?/I’m afraid? 2. until
1作介词“直到??为止” ○
The meeting may last until Friday.
2作连词，直到??为止，在??以前，不到?? ○
a. 用于肯定句中
Heat can be conducted from a hot body to a cooler one until both are at the same temperature. 热量可以从一个热的物体传到一个较冷的物体，直到两者温度相同为止。
until作连词用于肯定句，表示主句的动作一直持续到从句动作或状态出现时为止。意为“直到??为止”。 在这种用法中，主句的谓语动词必须是持续性动词。如：live, wait, last. love. like, stay, work等。 b. 用于否定句中
until作连词用于否定句中，从句的动作先发生，主句的动作后发生，意为“直到??才”。 I hadn’t realized she was a foreigner until she spoke. 她不说话我还一直不知道她是个外国人。 拓展
until另外两种否定形式
a. not until 放在句首时，主句要倒装
Not until Mary went into the room did she find that there was a birthday card on her bed. b. It is not until??that?这是一个强调句结构
It was not until the sun was shining on his face that John got up. 直到太阳照到了脸上，约翰才起床。 3. so that
1so that意为“以便，为了”时，可引导表示目的的状语从句，可与in order that 互换。从○
句中常使用情态动词may/might, can/could, should, would等。主从句间不用逗号相隔。 My grandpa began to study how to use the computer at the age of fifty so that he might keep up with times.
我爷爷五十岁时开始学习如何使用电脑，以便可以跟上时代。
2so that意为“因此，所以”时，可引导表示结果的状语从句，此时不能与in order that互○
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换。从句中的谓语动词根据需要使用响应的时态，主从之间有无逗号相隔都可。 Lisa had not planned her time well, so that she did not finish her homework on time. 3. although
1although较正式，引导的从句放在主句的前后均可。 ○
Although many difficulties are still ahead, we are determined to make greater achievements. 尽管面前还有许多困难，但是我们决心取得更大的成就。
2although 不能与but, however 连用，但可与yet, still连用。 ○
虽然他老了，但是他经常帮助我学习数学。 Although he was old, but he worked hard. Although he was old, he worked hard. Although he was old, yet he worked hard.
4. allow 允许，准许，听任 后面接名词，代词，动名词作宾语 eg. That teacher allows too much noise in the classroom. 那位老师听任教室里大声吵闹。
1allow sb. to do sth. 允许某人做某事 ○
His wife doesn’t allow him to smoke any more.
2allow doing sth. 允许做某事 ○
We do not allow smoking in the hall.
3be allowed to do sth. 被允许做某事，为被动结构 ○
The students are not allowed to send messages in class. 学生们不被允许在课堂上发信息。 5. deal n. 协议，交易 常见搭配：
make/do a deal with?与??做买卖，与??达成协议 a good /great deal 许多，大量 deal with 处理，常与how连用。 How shall we deal with this problem? 6. argue v. 争吵，争论
She often argues with her husband. 她经常和她的丈夫吵架。
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1argue with sb. about sth. 为某事与某人争吵 ○
They’re always arguing with each other about money.
2argue sb. into doing sth. 说服某人做某事 ○
We argued him into traveling with us. 拓展：
argue的名词形式为argument。 与某人辩论可表示为have an argument with sb. 7. hang over 挂在??上，笼罩
hang作动词，意为“笼罩”，过去式和过去分词为hung.当hang意为施以绞刑，其过去式与过去分词都为hanged. Hang your coat up on the hook. 把你的大衣挂在衣钩上。 8. instead&instead of instead 副词，可单独位于句首或句尾 You are tired. Let me do it instead. instead of 介词短语，代替，而不是。后面接名词，代词或动词-ing
9. offer 提供 常用结构：
offer sb. sth/offer sth.to sth. 向某人提供某物 You can offer him a piece of advice. offer&provide offer 提供 provide 提供 offer sb. sth./ offer sth. to sb. I offered his a glass of wine. Will you go instead of me? provide sb. with sth./ provide Policemen provide people with sth. to sb. help. 10. communicate v. 交流，沟通 communicate with??与??交流
I often communicate with my friends by letter. 我经常与朋友通信交流。
communication n. 传递，表达，通信，交际，交流
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Doctors do not always have good communication skills. 医生不一定都具备良好的交际能力。 11. explain v. 解释，说明
explain 后面接名词或从句作宾语。 He wants to explain the difficult problem. Let me explain how the machine is used. explain sth. to sb. 12. clear adj. 清除易懂的
eg. I’d like to make my thoughts clear on the subject. 我想说清楚我对这一话题的看法。
1clear 清晰的，清澈的，晴朗的 ○
2clear 动词 意为“清除” ○
3clearly 明白地，清晰地 ○
13. return v. 返回，归还
return 当返回讲时，相当于get back. He returned to school at 6 p.m.
return 当归还讲时，有短语return sth. to sb.=return sb. sth. I returned the book to him.=I returned him the book. 14. leave
1leave作“离开”讲，为非延续性动词，不能与how long及for引导的时间状语连用。 ○
Soon my father lost his job and I had to leave school again.
2leave for?表示“动身去某地”○。for后的名词时目的地，不是离开的地方。
Eg. I’m leaving for Beijing tomorrow. 辨析 leave 与forget leave leave sth. somewhere 指因粗心而没带某物或把某物落在某处，其后往往有一个地点状语 forget forget sth. 指大脑不能记起或回忆不出某事物，反义词remember
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