(1 作时间状语 The work done(=After the work had been done , we went home. 工作完成后，我们才回家。 (2 作条件状语
Weather permitting(＝If weather permits , they will go on an outing to the beach tomorrow. 如果天气允许的话，他们将在明天组织一次海滨小游。 (3 作原因状语 An important lecture to be given tomorrow(=As an important lecture willbe given tomorrow , the professor has to stay up late into the night. 因为明天要发表一个重要的演讲，教授不得不熬夜到很晚。 (4 作伴随状语 He was lying on the grass, his hands crossed under his head(=and his hands were crossed under his head . 他躺在草地上，两手交叉枕在脑后。 (5 表补充说明 A hunter came in, his face red with cold(=and his face was red with cold . 一个猎人走了进来，他的脸冻得通红。 注：独立主格结构表示时间、条件或原因时，相当于一个状语从句，一般放在句首，表示原因时还可放在句末；表伴随状况或补充说明时，相当于一个并列句，通常放于句末。 三、使用独立主格结构的注意事项 (1 当状语从句的主语与主句的主语不是指同一个对象时，可用独立主格结构取代状语从句，但不再保留连词。如：
