高中英语学习细节（人教版必修5）之Life in the future：语法突破

过去分词作状语 过去分词作状语相当于一个被动语态的状语从句。过去分词作状语时，可放在句首，句中或句末，但放在句首的情况较多。 过 去 分 词 作 状 语 1）作时间状语相当于when 引导的状语从句。 Seen from the hill, the city looks more beautiful.(=When it is seen from the hill,......) 从山上看，城市显得更美。 When shot in the leg, he continued to fire back,(=When he was shot in the leg.....)腿受伤后，他继续还击。 2) 作原因状语相当于because, as, since引导的从句。这类状语多放在句子前半部分。 Given advice by the famous detective, the young lady was no longer afraid,(=Since/As she was given advice by the famous detective,......)有了著名的侦探的指点，姑娘不再害怕了。 Deeply shocked, I was unable to speak.(=As I was deeply shocked,......)我大为震惊，连话都说不出来了。 3) 作条件状语相当于if, unless 引导的从句。 Given more time, they would be able to do it better.(=If they were given more time,......)如果多给一些时间，他们会博得更好。 I shall not go unless invited.(=I shall not go unless I am invited,) 除非受到邀请，否则我是不会去的。 4) 作伴随状语延续性动词的过去分词作状语时，用来表示一个伴 随的动作或状态，但一般不能改为状语从句，但可改为并列句。 The lady returned home, followed by Mr Holmes(= The lady returned home and(she)was followed by Mr Holmes.) 姑娘回家，福尔摩斯跟在后面