初中北师英语9年级上英语必须课件.docVIP

Unit 1 Leaning to Learn 【本讲教育信息】 一. 教学内容： Book 15 Unit 1 (I) 学会用英语简单描述个人学习英语的困难、方法 ? 二 教学重点和难点： ? 1. 情态动词may, might的用法 ? 2. 连词if, unless, once 的用法 ? 3. 词汇和词组 ?[来源:Z*xx*k.Com] 三. 具体内容： （一）情态动词may, might的用法 ??? May 可以表示没有把握的推测，意思是“可能”，但只能用于肯定句，might 表示推测时，不表示时态，只是可能性比may小。 ??? May 还可以表允许或请求的意思，用might则语气更加委婉，客气。May 主要用于第一人称，而且要比用can正式的多。 May I ask you a question? Might I use your eraser for a while?[来源:Zxxk.Com] Yes, please. Yes, you may. No, you mustn’t. No, you had better not. No, you can’t. ? （二）连词if, unless, once 的用法 ??? e.g. If that is true, what should we do? ?????? Give me a call once you arrive at the airport. ?????? Once I finish my homework, I will call you. ?????? I won’t remember new vocabulary unless I hear them. 从属连词：只能用来引导从句，不能引导词或词组。这些从属连词包括：that, when, till, after, before, since, if, because, though, although, so…that, so that…, as soon as, once…等。从属连词一般可以引导名词性从句和状语从句。 1. 引导名词性从句的从属连词： （1）that He said (that) he would come.[来源:学.科.网] That she is still alive is true. （2）if 是否 I wonder if he is at home. （3）whether是否 I asked him whether he would come. 2. 引导状语从句的从属连词：[来源:学§科§网Z§X§X§K] 1）连接时间状语从句的从属连词： I have lived in this city since I was born. ??? He came to China after the war was over. ??? The war had been over before he came to China. （2）连接地点状语从句的从属连词： ??? Where there is smoke, there is fire. （3）连接让步状语从句的从属连词： ??? Although/Though Japan is small, the population is big. ??? Even if it was snowing heavily, we went on running. （4）连接原因状语从句的从属连词： I do it because I like it. Since you know all about it, tell me please. As you are in poor health, you should not sit up late. （5）连接目的状语从句的从属连词： He works hard that/so that/ in order that he may pass the exam.[来源:学科网ZXXK] （6）连接条件状语从句的从属连词： If it rains tomorrow, we won’t go on a picnic. He will come unless it rains. Once he comes back, I will let him call you. （7）连接结果状语从句的从属连词： He is so kind that everyone likes him. ? （三）词组和词汇 ? 1. have a hard time doing sth.= have difficulty in doing sth. ??? I have a hard time learn