Unit 6 An old man tried to move the mountainsTopic: Tell a storyTeaching Aims:To master the Structure of Conjunctions unless, as soon as and sothatKey point:The usage of unless, as soon as and sothatSentences:What was/were sb. doing? 某人正在做什么? Sb. was/were doing sth. 某人正在做某事。 It is+n. +to do sth. 做某事是Language points1. 状语从句是由从属连词引导,与主句连接,位于句首时,常与主句用逗号分开,位于句末时,其前一般不用逗号。状语从句根据用途分为时间状语从句,原因状语从句,结果状语从句,条件状语从句,让步状语从句,方式状语从句,目的状语从句等。1) as soon as 引导时间状语从句意为“一