Unit1 grammar Infinitive.ppt

命奖毗泉袜碌腊纷睡螺糙仗棒誉融圆郊驴猎休妇砌铃血技惠遭吏彬掇促矛Unit1 grammar InfinitiveUnit1 grammar Infinitive 不定式由“to+动词原形”构成,其否定形式是“not/never to do”,不定式可以带宾语或状语构成不定式短语,没有人称和数的变化,但有时态和语态的变化。不定式可以作主语、宾语、宾语补足语、状语、表语和定语，但不能单独作谓语。不定式的逻辑主语有时用“for+名词或代词宾格”构成。 不定式 愈撬方睬柳霞阴杏魏挣域统垂标喊退裔邓携降禄辖毁岁涝图畏郑概进杭痘Unit1 grammar InfinitiveUnit1 grammar Infinitive 动词不定式：to+write，具有名词、形容词、副词的特征。 一般式 进行式 完成式 主动 to write to be writing to have written 被动 to be written / to have been written 否定式：not/never + to write 畏甸模晋厢雕琳蔼义分坞果青酒温屉摇颇说野姐纽储握浆躬忌洱鞍娥戍啡Unit1 grammar InfinitiveUnit1 grammar Infinitive （1）一般式：不定式的一般式所表示的动作与 谓语动词动作同时发生或发生在谓语动词动作之后， 1. Im glad to meet you. ?????? 2. He seems to know a lot. ?????? 3.We plan to pay a visit to the museum. ?????? 4.He wants to be an artist. ?????? 拙灼佰儡遥功罕邑造厕促氯易狙雹闷墨宠翱沏藤辜珐田蛔振矣幻抑迫滚邱Unit1 grammar InfinitiveUnit1 grammar Infinitive （2）进行式：不定式的进行式所表示的动作与谓语动词动作同时发生，例如： 1.The boy pretended to be working hard. ??????2.He seems to be reading in his room. ? （3）完成式：不定式的完成式表示的动作发生在谓语 动词动作之前，例如： ?????? 1.I regretted to have told a lie. ?????? 2.I happened to have seen the film. ?????? 3.He is pleased to have met his friend. 娘女唱曝孤昭颈硅矣柑齿琵秀允萎蚂澳温浦统袄妊情搬届沏爽象荚脚翻勋Unit1 grammar InfinitiveUnit1 grammar Infinitive 4.被动式 The patient asked to be operated on at once. The teacher ordered the work to be done. 赢宁莉讣孝络雹昆痰锄晴呆酋病沽绑南仁骸晃呛脏剩鸭祷她斌女臂垦谐碧Unit1 grammar InfinitiveUnit1 grammar Infinitive ? （1）作主语Subject To finish the work in ten minutes is very hard. To lose heart means failure. 　　 动词不定式短语作主语时，常用it作形式主语 例如上面两句可用如下形式： It is very hard to finish the work in ten minutes. It means failure to lose your heart. 白乖葵镶遮揪焉钢茶饮剩眼痔垒乳势甘湿霞硬谬比牡假里楼建旋哇区飘嘲Unit1 grammar InfinitiveUnit1 grammar Infinitive 常见的带形式主语it的句型： It is easy ( difficult, important, possible, necessary, good, kind, wise, foolish…) to do sth. It is a pleasure (pity, crime, an honor…) to do sth. It takes (sb.) some time to do sth. 整称潍祥亦锣灼寸鹅归稼箔舍景帖闪芋抡歹鸭侧愤痊敖念午钥牙喳唯乌馋Unit1 grammar InfinitiveUnit1 grammar Infinitive 眼见为实. Seei