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  • 2023-11-25 07:20:01 发布

4-3-人教版初中英语教学资源

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课题 Unit 4第3课时 课型 新授 编号 4-3 学科 英语 班级 七年级 领导签字 执笔人 使用人 使用时间 学习目标 1、总结归纳Section A部分语法重点; 2、并将所学知识学以致用。 学习重点、难点 Section A部分语法重点 课时安排 1课时 自主预习 翻译 1. be on time for class___________2. in class____________________ 3. wear a uniform ______________4. 梦想的学校____________ 5. 不必___________________________ 展示交流 Step 1 Review Review the new words in Section A. Step 2 Presentation Read the sentences in Grammar Focus and try to remember them by heart. Step 3 Practice (1) Check the answers in 3a. Read the sentences. (2) Check the answers in 3b. Read the sentences. Step 4 Consolidation Make up five cool rules for a dream school. Vote for the Coolest School. 知识探究 What do you have to do ? 你们必须做什么? have to 与其他情态动词一样后接动词原形,表示客观上的需要,强调被迫性,有“不得不”的含义。 have to 可用于多种时态,形式随时态变化而变化,还可以用在其他情态动词之后。如: We have to work hard. 我们得努力工作。 I think he may have to help his dad in the garden. 我想他可能不得不在花园里帮他爸爸。 【辨析 have to 与 must】 (1) 表达意见上的差异: must 表示说话人的主观意图和要求,相当于汉语中的“必须”; have / has to 表示由于外部环境、情况、习惯等的客观需要,相当于汉语中的“不得不”。 如: You must do your homework now. 现在你必须做你的功课。 He has to study late into the night to pass the exam. 为了通过考试,他不得不学习到深夜。 (2)在否定句和疑问句中,have to 需借助于助动词do 相关形式,而must 则直接用mustn’t 或将must 提到句首。如: Your mother doesn’t have to do that now. 你妈妈现在不必做那件事情了。 You mustn’t play football in the street after class. 放学后,你们一定不要在街上踢足球。 (3)must 不能与其他助动词will,shall 等连用,因此这种情形下要用have to。 Must 没有过去式,因此用于过去时应用had to (表示过去必须做,并且做到了)。如: Shall we have to meet at the gate of the school? 我们必须在校门口相见吗? He had to get up early to catch the early bus. 他不得不起早床,去赶早班车。 巩固提升 ( )1. I have to _______ the room every morning. A. clean B. cleans C. cleaning ( )2. —Does she have to go to bed at 9:00? — Yes, she__________. A. has B. have C. does ( )3. Don’t listen music in the classroom hallways. A. to; and B. to; or C. at; or ( )4. She lost her bike. She _______ walk to school. A. have to B. has to C. has ( )5. We ________to wear the school uniform every day. A. not have B. have not C. don’t have