1、新人教高一英语教案教师 学科英语年级高一教学课题B3U4 Discovering Useful Structures课时共 1 课时 第 1 课时时间 年 月 日课标要求The aim of this section is to learn to describe space facts and efforts to explore space with infinitives used as attributes and adverbials. When infinitives are used as attributes, they modify nouns, pronouns, etc.
2、 When used as adverbials, they indicate purposes, causes, results, etc. Students are expected to learn suchusages of infinitives and use them to describe space facts, important figures, and major events in the history of space exploration. Through these activities, students can better understand the
3、 form, meanings and functions of infinitives and then use them appropriately to describe certain people and facts.教学目标（核心素养）At the end of this section, students will be able to:1.distinguish attributive and adverbial uses of infinitives; 2.describe the functions and meanings of infinitives in senten
4、ces; 3. rewrite sentences using infinitives as attributes and adverbials;4.talk about space exploration using infinitives.教学重点Describe the functions and meanings of infinitives in sentences, especially when used as attributes and adverbials.教学难点Describe space facts and efforts to explore space using
5、 infinitives.实施策略教学方法Task-based Approach, Cooperative Learning method教学资源（信息技术应用）Multimedia, SeewoWhiteboard5新人教高一英语教案教学过程备 注Step 1 Discovering and perceivingAsk students to work in pairs and discuss the five sentences in Activity 1 on page 42,describing the meanings and functions of the infinitives
6、 in these sentences. Rewrite the sentences, using clauses instead of infinitives to help students better understand the functions of the infinitives.Step 2 Summarizing the usages Give students more examples to analyze the usages of infinitives as attributes and adverbials. Group 1-infinitives as att
7、ributes:1) His desire to win was obvious.2) There is no need to worry.3) Do you have something to eat?4) Ive got a lot to do.5) Jack is always the first to come and the last to leave.Group 2-infinitives as adverbials:1) He tries his best to achieve his goal.2) Im glad to see your progress.3) A few y
8、ears later we came to our hometown to find that it had greatly changed.4) He took a language course in order to/so as to get the job.5) The water is clean enough to drink.6) He is too young to join the army.Ask the students to list the key points about the usages of infinitives as attributes and adv
9、erbials.Step 3 PracticingAsk students to go through the sentences in Activity 2 and guess the meaning of the words in bold. Check the meaning with the students to make sure they understand the words correctly.Ask students to rewrite the sentences in Activity 2 following the examples.Invite some stud
10、ents to report their answers and check the answers with the class.Ask students to fill in the blanks in Activity 3. Remind them that the answers include other forms besides infinitives.Check the answers with the class. Askstudents to report their answers by reading complete sentences.新人教高一英语教案教学过程备
11、注BLACKBOARD DESIGNUnit 4Section 3 Discovering Useful Structures1. infinitives used as attributes:modifying nouns or pronouns;coming after the nouns or pronouns they modify; indicating an action that has not yet taken place but is expected to happen in the future2. infinitives used as adverbials:modi
12、fying verbs or adjectives;coming after the verbs or adjectives they modify;indicating purposes, results, reasons, etc. ;appearing in such structures as “in order to / so as to . . . , enough. . .to. . . ,too. . . .to. . . ,etc. ”。作 业（体现分层设计）Ask students to finish the activities in the “Using Structures part on pages 80and 81.教 学反 思成 效困 惑第4页共4页
