高中英语 Module2 Traffic Jam 第4课时学案 外研版必修4

1、Period 4: Grammar学习目标：1. 了解并能简单运用祈使句2. 了解祈使句的语法功能3. 利用例句归纳出语法规则学习重点：解并能简单运用祈使句学习难点：利用例句归纳出语法规则课前预习使用说明与学法指导：1. 利用例句归纳出语法规则2. 15分钟之内完成预习自测：观察下列从Reading and Vocabulary中选取的句子，体会祈使句的用法。Simply raise your hand，and a taxi appears in no time.If you get on a doubledecker bus，make sure you sit upstairs.自我总结表示

2、 、 、 、劝告或号召的句子叫祈使句。祈使句的主语一般为 ，通常省略，谓语动词使用 ，句末用感叹号或句号。我的疑问：_课内探究质疑探究：祈使句1祈使句的肯定式：直接以动词原形或do，be，let等开头。Listen to me carefully.认真听我讲。Be careful！小心！Let me help you to carry the bag.让我帮你拎包。2祈使句的否定式：在动词原形前加Dont或Never。Dont be angry with me！别冲我发脾气！【提示】Lets型祈使句，其否定式也可用Lets not.Lets not have a rest.咱们别休息了。Let

3、s not sit here.我们不要坐在这儿了。3祈使句的反意疑问句结构为：(1)否定祈使句will you；肯定祈使句will/wont you。Come here next Sunday，will/wont you?下周末来这里，可以吗？Dont tell it to anyone，will you？不要告诉其他人，可以吗？(2)若以Lets开头，附加疑问句常用shall we；若以Let us开头，附加疑问句常用will you。Lets have a rest，shall we？我们休息一会儿，好吗？Let us do it by ourselves，will you?让我们自己做，

4、行吗？4与祈使句有关的两个重要句型：(1)“祈使句and陈述句”，此句型中，祈使句与陈述句表示的是一种顺承关系，连词and意为“那么”。Work harder，and youll make it.再努力些，那么你就会成功了。(2)“祈使句or陈述句”，此句型中，祈使句与陈述句表示一种否定条件关系，or意为“否则”。Tell me the truth，or youll regret it.告诉我真相，否则你会后悔的。【提示】(1)在上述两个句型中陈述句的时态往往使用一般将来时(will do)表示。(2)在上述句型中，有时祈使句仅使用一个名词短语来充当。Two more dollars，and

5、the Tshirt is yours.再加两美元，那么这T恤就是你的了。A few more minutes，and the work will be finished.再有几分钟，这工作就完成了。当堂检测：单项填空1(2012山东高考)Find ways to praise your children often， youll find they will open their hearts to you.Atill BorCand Dbut2Our English teacher is ill.Lets go and see him after school， ？Adoesnt he B

6、dont weCshall we Dwill you3Mary， hereeverybody else，stay where you are.A come BcomesCto come Dcoming4 look at the sun with your eyes.Youll have your eyes hurt.ADont BNot toCNot DNo5Let us take care of grandma， ？Ashant we Bshall weCwill you Ddont you6You have failed two tests.Youd better start workin

7、g harder， you wont pass the course.Aand BsoCbut Dor7 ，I think，and the problem could be worked outAIf you double your effortsBSo long as you keep your spiritsCA bit more effortsDMaking great efforts8When you go to bed，dont forget to turn off the light， ？Ado you Bwill youCdont you Dare you9How can I apply for an online course?Just fill out this form and we what we can do for you.Asee Bare seeingChave seen Dwill see10 the blackboard，Mary.Its Alices turn.I did it yesterday. ACleaning BYou cleanCDont clean DTo clean课后反思：_课后训练用所给词的适当形式填空1下次一定要小心。 next time.2不要把她一个人留下！ her alone!3我们过低碳生活，好吗？Let