动名词做状语(共3页).docx

精选优质文档-倾情为你奉上必修四unit4动名词做状语【Teaching aim 】:learn v.-ing forms used as adverbial【Teaching important point】: learn v.-ing forms as adverbial【Teaching difficult point】 : how to use v.-ing forms as adverbial【自学导引】一、 动名词的形式主动形式 被动形式一般式： doing being done完成式： having done having been done二、功能及用法（做状语） -ing分词作状语可以表示时间、原因、结果、条件、让步、方式或伴随情况等。1.-ing分词短语作时间状语，相当于一个时间状语从句，有时可由连词when, while引出。如：1).While reading the book, he nodded from