Caught in a heavy rain, he was all wet.因为淋了一场大雨,所以他全身湿透了。 (Caught in a heavy rain相当于原因状语从句Because he was caught in a heavy rain)
Grown in rich soil, these seeds can grow fast.如果种在肥沃的土壤里,这些种子能长得很快。 (Grown in rich soil相当于条件状语从句If these seeds are grown in rich soil) 注意:
①当从句的主语与主句的主语一致时,才可以把从句的主语省略,且省略掉的主语与其逻辑谓语是被动关系或如第一段中所讲的表示状态。

