江苏省连云港市海滨中学八年级英语上册 Unit 8 English week Grammer教学案（无答案）（新版）牛津深圳版

Unit 8 English week Grammer 一、 教学目标：a. 掌握情态动词should的含义和用法 b. 学会理解had better的含义，并能正确使用二、 教学方法：讨论、讲练结合、小组合作三、 教学过程1、 课前小测：1). You （应当交流）in English with your friends whenever you can.2). She told the class that they _(应当学习) hard for the next time.3).We _(不应放弃) up when we have difficulties in doing something.2、我的发现：should后加_，should 为_，其否定形式是_。3、猜一猜下列句子中should 的含义及用法：1. We should study hard. 表示_，意为_。2.You should leave at once . 表示_，语气比较_。3.You should give up smoking. 表示_，意为_。总结：情态动词should 的基本用法：Should 为情态动词，意为“应该”，后接动词原形，其否定形式为shouldnt变为一般疑问句是，should 提到句首。无人称和数的变化。其用法如下：(1) 表示委婉地提出建议或劝告时，意为“应该，应当”。 You should brush your teeth before you go to bed. 你在睡觉前应该刷牙。(2) 表示义务，责任时，意为“应该，应当”。 You should help your mother with your housework. 你应该帮助你妈妈做家务。 We should study hard. 我们应当努力学习。(3) 表示命令或要求时，语气比较强烈。 You shouldnt go out at night. 你不应该在夜里外出。 ought to也是情态动词，意为“应该”，但语气上比should强一些，它更多地反映客观情况或依据法律义务或规定，“有义务”或“必要”做某事。练一练： 1、 按要求改变下面句子。1)We should help the old.(一般问句) 2)They should scold her.(否定句) 3)You should make a plan for the final test?（划线部分提问）_2、请把翻译下列划线部分的英语译成汉语。1、You had better be on time for your class.中文是： better 后跟 。2、Youd better not play the computer game so long time.d是单词的缩写，中文是；否定词not 放在 总结：had better的用法.had better 是一个固定短语，意为“最好”，用于表示对别人的劝告、建议或表示一种愿望。其用法有以下几点：(1) had better 后面必须跟动词原形。had better 后跟动词原形（即不带to 的不定式），构成had better do sth.短语，had 不能用have 来替换。注意：not 绝对不能放在had 的后面。你最好不要走。误：You hadnt better go. 正：You had better not go.练一练：根据汉语提示完成句子：1)You （最好完成）your homework right now.2)You （最好不要去）to net bar to play the computer games.3)Children （应该听从）their parents right advice.4) students (应该遵守) traffic rules?5)Its raining hard. You (最好别等) for him.巩固练习：（1）（2020安徽）You drive your car so fast. Its very dangerous.A. wouldnt B. shouldnt C. couldnt D. mightnt (2) (2020山西)A country has dreams. We teenagers also have dreams.With dreams and hard work ,anything amazing can be created.A. may B. must C. should(3) The speech start at 7p.m., but it looks like it being late.A. will; should B. had better; might C. should; will D. could; might(4) During the test , students put their books away, or the teacher become unhappy.A. should; must B. could; should C. should; will D. will; had better(5) After you borrow a library book, you forget to bring it back on time. A./;had better not B. would; had better C. should; have better not D. will; should not (6) I bring some snacks to the party? Yes. And you bring some snacks to the party?A.Could; would B.Should; had better C.Might; will D. Need; used to(7) You _ late for school.A. had not better to be B. had not better be C. had better not to be D. had better not be (8) Youd better_ at once.A. go B. goes C. went D. to go (9) I wasnt sure whether I _ o