Escola Secundária D. Sancho I - V. N. de Famalicão Simple Past vs. Present Perfect Stating a definite time in the past: the simple past The past in relation to the present: the present perfect If you want to say that an event occurred at a particular time in the past, you use the simple past. If you want to mention something that happened in the past but you do not want to state a specific time, you use the present perfect tense. - The Prime Minister flew into New York yesterday. - Our window cleaner went off to Canada last year. If you want to say that a situation existed over a period of time in the past, you also use the simple past. - He lived in Paris during his last years. - Throughout 1954 he tirelessly studied law. If you are talking about something that happened in the past, and you mention a situation that existed at that time, you use the simple past. You can do this whether the situation still exists or not. - All the streets in this part of the city looked alike. If you want to talk about an activity that took place regularly or repeatedly in the past, but which no longer occurs, you use the simple past. - We walked a great deal in my boyhood. Each week we trekked to the big house. Question word: When? Other words: last week, last year, yesterday, ago... - They have raised £180 for a swimming pool. - l have noticed this trait in many photographers. You cannot use adjuncts which place the action at a definite time in the past with the present perfect. You cannot say 'I have done it yesterday'. You can, however, use an adjunct of duration. - The wolves have left the forest forever. - I ate brown rice, which I have always hated, and vegetables from my garden. You can also use 'since' and 'for' with the present perfect because when they are used in this way they refer to a definite time. - They have been back every year since then. - It was the only record to have stayed in the charts for a full six weeks. You can use the present perfect with: just (= a short time ago) already (something that has happened sooner than expected) - They have just arrived from the cinema. - She has already finished her exam. Other words: recently, lately, yet , ever, never, this is (it’s) the first time... - This is the 1st time he has driven a car / He has never driven a car before. Question word: how long? We use the present perfect with this morning, this evening, today, this week, this term... when these periods are not finished at the time of speaking - I haven’t seen Tom this morning. Difficult Intermediate Easy To do some exercises click on the following links http://www.geocities.com/gob72/Simplevsperfectpast.htm http://web2.uvcs.uvic.ca/elc/StudyZone/410/grammar/ppvpast1.htm http://www.better-english.com/grammar/pspp1.htm http://www.englisch-hilfen.de/en/exercises/tenses/simple_past_present_perfect.htm http://www.angelfire.com/wi3/englishcorner/grammar/Interactive/spvprpf1.html http://www.angelfire.com/wi3/englishcorner/grammar/Interactive/spvprpf3.html http://www.englishmedialab.com/Quizzes/intermediate/present%20perfect%20vs%20past.htm http://www.englishpage.com/verbpage/verbs5.htm http://web2.uvcs.uvic.ca/elc/StudyZone/410/grammar/ppvpast2.htm http://web2.uvcs.uvic.ca/elc/StudyZone/410/grammar/ppvpast3.htm http://www.learnenglish.org.uk/CET/flashactivities/presperf_pastsimp.html http://www.autoenglish.org/gr.perf.i.htm http://connect2esl.com/main/activities/simplepastpresentperf1.htm http://www.inglesonline.com.br/exerciciosdeinglesonline/present-perfect-or-past-1.htm http://www.englishpage.com/verbpage/verbs6.htm http://www.englishmedialab.com/Quizzes/intermediate/present%20perfect%20vs%20past%202.htm