Unit 5 The power of nature Section Ⅲ Grammar—复习动词-ing形式语法图解探究发现①Walking in the park, she saw an old friend
②Having finished the work, he went out to meet his friends
③Beingill, he was sent to hospital
④My granny sat in the armchair,reading the newspaper
⑤Going there by plane, you'll arrive tomorrow morning
⑥Having been told many times, he still made the same mistake
⑦Though he had been told many times, he still made the same mistake
⑧The train was caught in a heavy snow, thus causing the delay
[我的发现](1)①、②句中的现在分词短语在句中作时间状语
(2)句②和句⑥中的现在分词短语使用完成时,原因是分词短语所表示的动作先于句子的谓语动作发生
(3)③、④、⑤、⑥、⑧句中的现在分词短语分别在句中作原因状语;伴随情况或方式状语;条件状语;让步状语;结果状语
(4)比较⑥、⑦句,分词短语与状语从句的最大区别是句中是否有连词
一、动词ing 形式的时态、语态及意义动词形式意义以 do 为例一般式doing主动式 doing与句子主语构成逻辑上的主谓关系,与谓语动作同时发生,或基本上同时发生被动式 being done与句子主语构成逻辑上的动宾关系,且与谓语动作同时发生完成式h