Conclusion：现在完成时表示一个到现在时间为止已现在完成时表示一个到现在时间为止已经完成了的、对现在有影响的动作或状态。（现在完成经完成了的、对现在有影响的动作或状态。（现在完成时的时的已完成已完成用法）用法）Whats the Present Perfect Tense?什么是现在完成时什么是现在完成时 I have visited some beautiful cities.A friend has told me about a nice little fish restaurantnear here.They have put up a lot of high-rise buildings recently.John Martin:Oh,look at that huge apartment block!Xiao Li:Yes,they have just completed it.1234Conclusion：现在完成时表示一个从过去某一刻开始延续到现现在完成时表示一个从过去某一刻开始延续到现在的动作或状态，这个动作或状态也许还会持续下去，常与在的动作或状态，这个动作
