1、Unit6 TV programmes GrammarII Teaching goals: 1知识与技能: 进一步认识和掌握与电视节目相关的词汇、词组 2过程与方法: 学会运用 unless 引导的条件状语从句 3情感、态度与价值观: 学会运用 unless 引导的条件状语从句 Important and difficult points: 1.知识目标：进一步认识和掌握与电视节目相关的词汇、词组。 2.技能目标：学会运用 unless 引导的条件状语从句 3.学会运用 unless 引导的条件状语从句。 Teaching procedures: 1.Lead-in Ask the stude
2、nts to translate the following sentences: 1. 除非下雨，否则我们明天要去公园。 （We will go to the park tomorrow unless it rains.） 2. 除非你帮我，否则在本月底之前我是完不成这项工作的。 （Unless you help me, I will not finish the work before the end of this month.） 2.Work out the rule Sometimes we can use if not to replace unless. unless 在意义上可
3、以理解为 ifnot，在有些情况下两者可以互换使用。如： I cant see unless I wear glasses. (=I cant see if I dont wear glasses.) Unless you can pay your bills, youll have to leave. (=If you cant pay your bills, youll have to leave.) 从上面的例子 可以看出，由于 unless 已经表达了 ifnot 的含义，它所引导的条件状语 从句只能使用肯定形式。 3.Ask the students to rewrite the s
4、entences above using if not. 1. We will go to the park tomorrow unless it rains. We will go to the park tomorrow if it doesnt rain. 2. Unless you help me, I will not finish the work before the end of this month. If you do not help me, I will not finish the work before the end of this month. 4.Work o
5、ut the rule We often use the simple present tense in the unless-clause. We need a comma after the unless-clause when it is the first part of a sentence. (1)主句为肯定句。如： You will miss the bus unless you hurry up. Youll fail your Chemistry test again unless you work harder. (2)主句为否定句或含有表示否定意义的词。如：Unless
6、you are friendly to people, you wont get on well with them You will never get anywhere unless you set your goal 5.Practice 完成书上相关的练习，并核对答案。 Step4：知识拓展 1. 在以 when，before，as soon as 等引导的时间状语从 句，也适用“主将从现”原则， 即如果主句是一般将来时，从句用一般现在时 Ill tell her the good news when she comes back. 当她回来的时候，我将把这个好消息告诉她。 She will give you a call as soon a s she returns. 她一回来就会给你电话。 2. If 条件句 =祈使句，and /or+将来时态的陈述句。Work hard, and you will make great progress. =If you work hard, you will make great progress. Hurry up, or you will be late. =If you dont hurry up, you will be late. 【Teaching reflection】
