(
课件网) 汇报人: AManDa Unit1 Time to Relax Section A (4a-4c) Learning Objectives To identify the grammatical functions of the infinitives(动词不定式) as an adverb(状语) or an object complement(宾语补足语) and understand the usage rules of the original form , to do, not to do . To use different forms of the infinitives to complete the dialogue and fill in the blanks in the text correctly . To plan leisure activities according to students’ own situation and express their perceptions from leisure activities in English. Watch and Read Read and Think “ I usually play the flue to relax.” “ I went to the sports center to ice skate.” “ I saw my mother paint. I decided to give it a go.” “ Yes, but my instructor told me not to give up.” What did they say？ 动词不定式 The infinitives What are the infinitives Look and Learn 一、含义 1. 由“_____”构成，是非谓语动词的一种。 2. 在句子中不能单独作谓语，也没有人称和数的变化，其否定结构是“_____” 3. 在句子中可以作主语、宾语、目的状语、宾语补足语等。 动词不定式 to＋动词原形 not to＋动词原形 Look and Learn Rule 1: 动词不定式作主语 1.动词不定式做主语一般放在句首。 eg: To finish our homework in 30 mintues is not easy. 2.It+be动词+adj+(for sb)+to do sth “对......来说, 做某事很......” 常用it做形式主语,将to do放在后面,避免句子“头重脚轻”。 eg: It is not easy (for us) to finish our homework in 30 mintues. Look and Learn 2. It is + 名词 + to do sth “做某事是......” eg: It’s our duty to clean the classroom. 3. It is + 形容词 + of sb. + to do sth. “某人做某事真是太…… 了” eg: It is very kind of you to clean the classroom. 描述人的品质/性格 It作形式主语的其它常见句型： 1. It takes (sb) time/money to do sth “某人花......钱/时间做某事” eg: It takes me half an hour to clean the classroom. Look and Practice 完成下列句子。 1.对我们来说，学好英语很重要。 It is important ____ us_____ . 2.他放弃考试，真是太傻了。 It is _____ of him to _____. 3.每天读英语单词是个好主意。 It is _____ to _____ every day. 4.他每天花两小时打篮球。 It _____ him two hours _____ every day. for to learn English well silly give up the exam a good idea read English words takes to play basketball Look and Learn What do you plan to watch tonight I want to watch cartoons. Rule 2: 动词不定式作宾语 用于动词后面的不定式，充当宾语成分，称为：动词不定式作宾语 Look and Learn 常见的跟动词不定式做宾语的动词: 尝试 _____ 期望 _____ 希望 _____ 计划 _____ 决定 _____ 开始 _____ 开始 _____ 想要 _____ 学习 _____ 需要 _____ 要求 _____ try expect hope plan decide begin start want/would like learn need ask Look and Practice 用括号内所给单词的适当形式填空。 1. Children's Day is coming. What would you like _____（buy) for your little brother 2. My sister is learning _____ (play) tennis. 3. Alice decide _____ (take) piano lessons . 4. She hopes _____(visit) BeiJing this summer. 5. I expect you _____(come) here tomorrow on time. to buy to play to take to visit to come Look and Learn 动词不定式作真正的宾语 I ... ...
