Date： Name： 预习导学【Preview Tasks 预习务】自学本出现的新单词、短语。总结情态动词的基本用法。Task 1 New words 预习指导反思laboratoryoutdoorscoatsleepy根据词汇表标出单词音标和词义，根据音标试读新单词。Task 2 Phrases 预习指导反思1、in the laboratory 在实验室2、wear glasses 戴眼镜3、hear sb doing sth 听到某人做某事4、take a shower 洗澡5、feel sleepy 感到困倦在书中画出短语并标注汉语Task 3 Grammar Focus预习指导反思I. 情态动词表推测的用法情态动 词用法示例must.表肯定的推测The photo must be Lu’s, those must be their parents.may表可能The notebook may belong to Jim, it’s on his desk.Could/might也，或，可能It could be Mei’s band, Or it might belong to Linda. They both have long hair.Can/could表疑问的推测Can he be at home now? Could it be true?Can ’t表否定推测It can’t be the headmaster. He has gone to America.II. 情态动词表推测的三种时态时态用法示例一般现在时.对一般情况的推测The notebook may belong to Jim, it’s on his desk.现在进行时表示对正在进行的动作的推测He must / may / might / could be listening to the radio now现在完成时表示对过去情况的推测It must / may / might / could have rained last night .The ground is wet. 地湿了，昨晚肯定/可能/也下雨了。观察左边情态动词表推测的用法从must，may, 到could/ might 语气是由强到弱。Task 4 E |
