精选优质文档-倾情为你奉上第四单元重点知识语法考点： 现在进行时 be doing 关键词：now / look! / Listen! be动词指 am，is，are 搭配分别是：I am He/She/It is We/You/They are1. What引导的特殊疑问句，直接提问对方正在干什么：What are you doing? Im + 行为活动(doing).2. What引导的特殊疑问句，提问对方、某人正在干什么：What is + 某人 + doing? He / She / 某人 + is + 行为活动 (doing). 3. 电话用语：介绍自己：This is / Its + 自己的名字.要找某人：Can I speak to + 要找的人.请稍等：Please hold on. 1. What are you doing? I am (doing). 动词的现在分词。 What is he/ she/ it doing? He
