Module 4 A Social Survey -- My NeighbourhoodSection Ⅱ Grammar——现在完成时[语法图解][课文原句感知]①It's been six years since we last saw each other, you know.②And this is the first time I've visited your hometown.③I've seen quite a lot of China and I've visited some beautiful cities.④But this is one of the most attractive places I've been to.⑤They've put up a lot of highrise buildings recently.⑥My wife's just bought a beautiful dress from one of the shops there.⑦Xiao Li has lived in Xiamen all his life.⑧The family have lived in the town for twenty years.⑨Up to now, I've understood everything the teacher said.⑩He has gone to the Great Wall.[语法领悟](1)现在完成时的构成是： have/has ＋过去分词 。(2)由例句①可知，现在完成时可与 since 引导的时间状语从句连用。(3)由例句⑤⑥⑦⑧⑨可知，现在完成时可与时间状语 recently,_just,_all his life, for_twenty_years,_up_to_now 连用。(4)由例句④和⑩可知， have/has_been_to 表示“曾经去过(某地)”； have/has_gone_to 表示“已经去了(某地)，去而未归”。一、现在完成时的构成肯定句主语＋have/has＋过去分词否定句主语＋have/has not＋过去分词疑问句Have/Has＋主语＋过去分词被动句主语＋have/has been＋过去分词[即学即练 1]按要求改写句子They have built another hospital in the area.→They haven't built another hospital in the area, yet.(否定句)→ Have they built another hospital in the area？(疑问句)→Another hospital has been built (by them) in the area.(被动句)二、现在完成时的用法(一)现在完成时的 3 个主要用法1．表示过去发生的动作对现在造成的影响或结果。常与 recently, before, lately, just, already, yet, so far, up to now, till now, in the past/last...years, these days 等时间状语连用。—Have you had lunch yet?——你(已经)吃午饭了吗？—Yes，I have. I've just had it.——是的，我吃了。我刚刚吃过。(现在我不饿了)He has been there three times in the last few...
