[名校联盟]河北省迁安一中高二英语：book7unit1：grammar课件.pptVIP

Unit 1 Living Well Discovering useful structures Revision of the Infinitive 动词不定式的作用 Functions of Infinitive 主语 (subject) 宾语 (object) 表语 (predicative) 定语 (attribute) 状语 (adverbial) 宾补 (object complement) * 1. Seeing is to believe. To see is believing. Seeing is believing. To see is to believe. × √ √ × 3. All you have to do is (to) finish the job quickly. 2. My job is to help the patients. Ⅲ. 作表语 不定式常用在系动词 be, seem, appear, get, remain等后作表语． 如果主语部分有个表示不定式内容的do，用作 表语的不定式可省略to Ⅳ. 作定语 (常常表示将来的动作) 1. 不定式做定语时常放在被修饰的名词或代词之后 She was very busy and had no time to visit her friends. Ladies and gentlemen ,I have something important to tell you . 2. 当名词被the first ,the last, the only 等词以及 形容词最高级修饰时 eg: She is always the first to come and the last to leave. ① ② 4. 如果不定式是不及物动词,则后面需适当的介词 Please pass me some paper to write____. She has a nice pen to write _____. He bought a flat for the family to live ____. 5. Do you have a letter to send? Do you have a letter to be sent? 你有信要我寄吗？ 你有信要寄吗？ on with in 3.也可用在have… to do和there be句型中。 There is no one to take care of her. I have no jewelry to wear. eg: He spoke loudly (so as / in order) to be heard. Ⅴ. 作状语 1. 表示目的: to / in order to / so as to 2. 表示原因 不定式可以用在作表语的形容词后作状语, sorry, surprised, happy, glad, eager, angry, foolish, right, wrong, slow, quick, rude, cruel, disappointed等。 eg: I’m glad/pleased to see you. We were surprised to hear the news. 3.结果状语: so + adj. / adv. + as to do… such + adj. + n. +as to do… adj. / adv.+ enough + to do too + adv. / adj. +to do ③ We hurried to the station only to find the train had left. He was so foolish as to believe it. = He was such a fool as to believe it. = He was foolish enough to believe it. I’m too tired to walk any further tonight. ① ② Ⅵ.