unit 18 new zealand 第三课时教案
i. teaching aims:
talk about new zealand.learn grammar: the use of “it” as subject.similar dialogue presentation with new words and expressions used withinii. teaching aids: nonestep i revisionstep ii word studyfinish the exercises in student book, page 40.step iii practicelet ss finish the exercises “vocabulary, 2/3” in page 79, workbook step iv grammar1. it也可以代替不定式或从句在句中作形式主语,即:it be +adj. +(n.)+that +clause或it be adj. +to do sth.,那么that引导的从句和不定式是句子中的真正主语,这个用法是为了避免长句作主语导致句子的不对称,如:it is difficult to finish this job on time(= to finish the job on time is difficult).要按时完成这项工作是很困难的。it is strange that she doesn’t want to travel. 她竟然不想旅游,这个让人感觉很奇怪。it is a good thing that he helps me with english study on sunday. 星期天他帮助我学习英语是一件好事。2. it作主语时可以指时间,日期,距离或天气,也可以指无识性别的婴儿。如:it’s ten past twelve. 现在是十二点十分。it is two miles to the beech. 离海滨有两英里。it was raining this morning. 今天早上天在下雨。it is saturday today. 今天星期六。step v exerciseslet ss finish the exercises ‘grammar’ in workbookhomeworkfinish off the exercises in workbook