情态动词教案2022-2023学年外研版九年级英语下册

Teacher Miss Cheng Analysis 1.Junior high school students have mastered the basic knowledge on 2.Students have leamned the basic usages of words and phrases Learners Teaching Review the key vocabulary,grammar,and key sentence structures Content Knowledge:. 1.To master the usage of modal verbs. 2.To master the key structures. Analysis Teaching Abilities: on Aims Students'ability of grasping the key and difficult points will be developed. the Emotion: Teaching To develop students'awareness of overcoming the difficulties of mastering Material grammar points. Important Vocabulary and Grammar: Points Key words and phrases. Difficult Grammar: Points Teaching Methods Task-based teaching method;Translation method Teaching Aids Computer ppt Teaching Procedure Students'Activities Purpose h review the key words of Grade 7. Step1 3 Review the usage of modal verbs Warming up Review words 情态动词 功能 can 1.表示能力,“能,会”,其否定式是can not=can't. Review key Step 2 2.表示允许,“可以”,CanI?意思是“我可以… words and Key words 吗?”较口语化。 important 3.表示可能性,“可能”(猜测),常用在否定和 points. 疑问句中,其中can't表示不可能,其肯定回答用 may或must。 I can play the guitar.I can't play the violin. Can I go home now? You can tell him about that now. -Where can it be? -It may /must be in your desk. Miss Gao can't be at home now. could 1.是can的过去式,表示过去的能力。 Step2 Review key the usage of modal 2.could也可表示较can更为委婉的语气。 words and verbs 3.还可以表示猜测,“很可能”。 important Lucy could swim at the age of five. points. Could you help me? -Whose French book is this? -This could be Alice's.She studies French. may 1.“可以”,表示许可。 2.“可能”,表示可能性(猜测),常用于背定句中。 3.以may引导的一般疑问句否定回答应为can't nustn't。 -May I look at your CD player? -No,you mustn't/can't. Your sister may be waiting for you now. might 是may的过去式,表示猜测,可能性比could小。 Whose guitar is this? -It might belong to Alice.She plays the guitar. should 意为“应该”。 You should go to see the doctor. must 1.表示说话人的主观意志,“必须”。 2.表示猜测,“一定”,语气比may肯定,只用于 肯定句中。 3.must的否定式mustn't,表示“禁止,不允许”。 4.must表示肯定的猜测,表示否定的猜测用can't. 5.must引导的疑问句,否定回答用needn't/don' have to