高中英语冀教版必修3Unit2《Healthy eating》语法（情态动词）学案

111沧州市颐和中学导学案20132014第二学期第_20_号Class _ Name_ Date_学科高中英语年级高一作者杨卫芬 孙悦 课题课型新授【学习目标】1. Get students to know more about modal verbs.2. Let students learn the use of ought to. 【复习导入】Leading-in by revisionTranslate the following sentences and explain how each of these modal verbs is being used in the situations.1. He could hardly support his family before he found the new job._.2. Where could/can the boy be now?_.3. May/Might I come in?_.4. You may/might catch sight of the sunrise from here when you get up before 5 in the morning._.5. You must hurry up or youll be late. _6. Whatever you want, you shall have. _.7. We should read English aloud every morning. _.8. He would sit there for hours, doing nothing at all. _.【语法学习】一. Reading and discoveringTurn back to Page 10 to read through the passage Come and Eat Here. Pick out the sentences using modal verbs and translate them into Chinese.(There are about 11 sentences.)1. _.2. _.3. _.4. _.5. _.6. _.7. _.8. _.9. _.10. _.11. _.二. Summing up: the use of ought to（ought to的用法）ought无人称和时态的变化, 后接带to的动词不定式。ought to可表示“义务”“要求”或“劝告”, 常译作“应该”“应当”等, 和should差不多, 只是语气稍重一些; 有时表示“非常可能”的意思。否定式为ought not to(oughtnt to), 疑问式为4. 表示“劝告或建议”I think you ought to eat more body-building food.我认为你应当多吃些有营养的食物。He said I ought to do that job.他说我适宜做那项工作。5. 表示“推测”, 意为“照说应该; 想必一定”, 后跟不定式的一般时、进行时或完成时, 分别表示对现在、现在进行或过去情况的推测。She has had working experience before. She ought to be fit for the job.她以前有过工作经验, 应该胜任这项工作。Its just 9 oclock. Mary ought to be doing her homework in her room now.才刚九点, 按说玛丽应该在房间里做作业。It ought to have rained last night.昨晚应该下过雨。6. 表示“责备或后悔” ought to后接不定式的完成式时, 表示“本应该做某事而事实上没做”; 其否定式表示“本不应该做某事而事实上做了”。You ought to have done these exercises because you were required to so during your holidays.这些练习你本应该做完的, 因为假期里就要求你做了。She ought not to have told him the bad news, which had a bad effect on his examinations.她本不应该告诉他这个不幸的消息, 结果影响了他的考试。三对点训练。Translate the following sentences.1. 人类应该停止污染大自然.Humans _.2. 你应该听父母的话.You _ _obey your parents. 3. 你本应该早一点来这儿._.4. 你本不该拆开(open)这封信，它不是写给你的. _.5. 你不应该责备(blame)他。_.6.我该去吗? 对，你应该._.7. 鲍勃现在应该到家了，不是吗?_. 8.我们应该抽时间(sometime)去看望我们的老师. _.9. 明天他们按理应该去看看玛丽，但是我认为他们不会去的 _.10. 昨晚应该下过雪。_.11.我胃口觉得不舒服。我刚才本不该吃那么多的炸鱼。 Im not feeling well in the stomach. _.111