Matching Pairs Present Perfect Simple Vs ContOnline version Present Perfect Tenses by Rogelio Gómez 1 I haven't finished my homework yet 2 I have worked as a teacher for 10 years 3 I have never been to Europe 4 I have practiced Karate since I was in elementary 5 I have already finished reading the book you lent me 6 It has been raining all this week 7 I have just lost my keys 8 I have been working for this company for 5 yerars we know how long an activity has lasted and we have some certainty it continues in the present An activity that started in the past and we know how long it has lasted An incomplete activity An experience An activity which happened not long ago but we don't know exactly when, how or where it happened A recurrent activity within a certain period of time An activity we know is finished although we don't know exactly when An activity that started in the past and we know when it started