高中英语非谓语动词考点总结课件（ 共24张PPT）

课件24张PPT。非谓语动词过去分词: v-ed不定式: (to) dov-ing 形式动名词现在分词(六) 非谓语动词的常见变形 1. 不定式 to do 一般式 to be done 一般式的被动语态 to have done 完成式 to have been done 完成式的被动语态 for/of sb. to do sth 不定式复合结构 2. 动名词 doing 一般式 being done 被动 sb’s doing 动名词复合结构 3. 分词 doing 主动/正在进行 being done 正在进行的动作的被动 having done 该动作早于谓语动词的动作 having been done 完成式的被动语态 done 被动/已完成 sb./sth. doing 独立主格结构 sb./sth. done 独立主格结构 4. 所有非谓语动词的否定式，都是将 not前置 5. 非谓语动词的前后结构要对称。Review the general fun_ction of non-finite verbs (Tick√or×)√××××√√√√√√√√√√√√√√√√√(一). 不定式和动名词作主语I. 不定式作主语时,可以用it作形式主语.1. It is important _____ Tom to get that job. 2. It is kind _____ you to help me with my English.forof总结: It is +adj.+for/of sb to do sth的结构中,若此形容词是说明的是不定式的性质时, 则用_____; 若说明的是人(sb.)的特性, 则用_____. It is nice___ you to help me with my English. 2. It is necessary _____you to improve your spoken English.offorforofII. 动名词作主语还有以下两个习惯表达法1. It is no use (good) + 动名词 “做某事没用(不好)”*It’s no use crying over spilt milk. _____。 *在公共场合随地吐痰(spit)不好。 _____. *未来的事无法知道。 _____. *说不清未来会发生什么。 _____。 2. There is no + doing(动名词) “无法...，不能...” (= It is impossible to do sth.)覆水难收It’s no good spitting in publicThere is no knowing what may happenThere is no telling what may happen in the future.1. 散步是锻炼的一种好方法。 2. 教这些孩子是我今天下午的工作。 Walking is a good form of exercise.To teach these children is my job this afternoon.III. 动名词和不定式作主语的区别 总结: 不定式和动名词作主语的区别①to do作主语时常表示某一次具体的动作, 具有偶然性; ②doing(动名词)表示习惯性的动作, 往往表 抽象概念。 注意: 该规则同样适用于作宾语, 表语. 比如: like to do / like doing [Practice] --What do you think made Mary so upset? --_____ her new bike. A. As she lost?????????????B. Lost C. Losing???????????????? D. Because of losingC 1. She has no pencil _____. A. to write with B. to write about C. to write D. write in 2. She said she had a important meeting _____. A. to attend in B. to attend C. attend D. attendingAB★若作定语的动词不定式是vi, 后必须要 有介词不定式作定语3. She will tell us why she feels so strongly that each of us has a role ___ in making the earth a better place to live. A. to have played B. to play C. to be played D. to be playingB★不定式做定语时: (1). to do 表示事情由句子主语自己做; (2). to be done 表示事情由别人做; 4. I’m thirsty. Would you please give me something _____. A. drunk B. to drink C. to be drunk D. for drinking 5. He is always the first _____ questions. A. to answer B. answering C. to be answered D. being answeredBA★不定式常作不定代词和序数词、形容词最高级、last、next修饰的名词的后置定语不定式作定语总结： 1. 若作定语的动词不定式是vi, 后必须 要有介词; 2. (1). to do 表示事情由句子主语自己做; (2). to be don ... ...