1、单 元 清,现在完成时(二) 1现在完成时表示过去某一时刻延续到现在的动作状态，常与for，since引导的状语连用。for一段时间，since过去时间点或从句(从句的谓语动词用过去式)。 eg：I have lived here for twenty years.我住在这里已有20年了。 We have built many factories since 1985.自1985年以来，我们建了许多工厂。 He has always helped me with my English since he came here.自从他到这里以后，他总是帮助我学习英语。 2有的动词所表示的动作不是瞬间
2、就可以完成的，要持续一段时间，这样的动词叫延续性动词。不能延续下去的动词，叫非延续动词或瞬间动词。如：buy， borrow等，这些动词在完成时中可改为相应的表示延续性的词或短语来与表示一段时间的状语连用。如：buyhave，borrowkeep，comebe，joinbe in，diebe dead，beginbe on等。 eg：He joined the army two years ago.他两年前就参军了。(同义句) He has been in the army for two years. He has been a soldier for two years. 短暂性动词在现在
3、完成时句型中的转换,单 元 清,单 元 清,单 元 清,写作案例,单 元 清,写作指导 本篇书面表达需要考生根据表格所提供的内容来写，可以适当发挥。因为是介绍“三坊七巷”，所以人称要用第三人称来写，时态以一般现在时态为主。体裁以说明文为主。根据表格内容，学生可以先介绍“三坊七巷”的位置和交通，接着介绍其特色，最后简单抒发一下自己感想。 高分模板 开篇点题，介绍“三坊七巷”的位置和交通 It lies in the city center and the traffic is convenient. 介绍“三坊七巷”的特色：Its famous for old buildings in the
4、style of the Ming and Qing Dynasty.Many famous persons in history used to live here.Their former homes are well protected 感想，Im proud of this great place of interest in my hometown. 美文欣赏 Three Lanes and Seven Alleys in Fuzhou is among the top ten historical and cultural streets of China.It lies in t
5、he city center and the traffic is convenient.Its famous for old buildings in the style of the Ming and Qing Dynasty.Many famous persons in history used to live here.Their former homes are well protected and attract lots of people from home and abroad.Therere wonderful folk custom shows that pass on the culture of Fuzhou.Besides，the tourists can enjoy different kinds of delicious foods and special local products.Im proud of this great place of interest in my hometown.Its well worth visiting.,
