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Present perfect vs past simple

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Present perfect vs past simple

  1. 1. Present Perfect Simple Present Perfect Simple I have opened the window. vs. You have closed your book. Past Simple We have checked a test. They have written an exercise. English Grammar in Use. Chapters 7-8-11-12-13-14 He has done his homework. She has broken her leg. It has slept. 2 Present Perfect Simple Present Perfect Simple QUESTIONS AND NEGATIVESHave you opened the window? It is used to express:Have they written a test? 1. Past experiences  She has never met his girlfriendHas he done his homework?  Have you ever been to London? 2. Recent past actionsYou haven’t opened the window.  I have cut my finger!  I’ve burnt myselfThey haven’t written a test.He hasn’t done his homework. 3 4 1
  2. 2. Present Perfect SimpleIt is used to express: ever, never3. With YET and ALREADY (for emphasis)  We often use ever and never when we ask or  I haven’t found a new job yet. talk about past experiences.  They go before the main verb4. Unfinished states (non action verbs)  Ever means at any time. It is the opposite of which start in the past and are still true never. now. We generally use ever in questions.  They have known each other for 20 years  Have you ever been to the U.S.A?  Never means at no time.  I have never eaten sushi. 5 6 Present Perfect Simple Present Perfect Simplejust (acabar de), already (ya), yet (aún/todavía) How long…? JUST and ALREADY go before the main  We use HOW LONG…? + PRESENT verb in + sentences. PERFECT to ask about an unfinished I have just eaten. period of time (from the past until now)  They have already bought the car.  How long have you been married? YET goes at the end of the phrase in – and ? sentences  Have they bought the car yet?  She hasnt sold the house yet. 7 8 2
  3. 3. Present Perfect Simple Past Simple vs. Present for, since Perfect I have studied English grammar  The simple past  The present for ten years. always refers to an perfect connects action or situation the past and the FOR + a period of time that is finished. finished. present  How long were you  How long have you I have studied English grammar married to Jake? since 1998. been married to (You are not married Mary? (You are to Jake now) married to Mary now) SINCE + a point of time 9 10 Past Simple vs. Present Sara lived in Chicago for 5 years. Perfect Meaning: by using the simple pastCompare the meaning of these two sentences: tense, we mean that Sara started living in Chicago 5 years ago . . .1. Sara lived in Chicago for 5 years. AND . . . then she moved! moved! PAST SIMPLE Now she lives in a different city, like2. Sara has lived in Chicago for 5 years. Paris. PRESENT PERFECT Remember, the simple past is used for a situation that is over, finished, done! 11 12 3
  4. 4. Sara has lived in Chicago for 5 years. Past Simple vs. Present Perfect Meaning: by using the present perfect  Use the simple past  Use the present tense, we mean that Sara began living with time words like: perfect with time in Chicago 5 years ago . . . words like: • yesterday • last Saturday, week, month, • recently/latelyAND . . . she still lives there. year, etc. • In the last few days • _______ ago • since …Remember, present perfect: • when I was… • Today, this evening, this yearconnects the past with the present. • in 1990 (past date) • so far this week, month, year, etc. 13 14Practice Answers!Choose the simple past or present perfect and talk  1. When I was a child, I swam a lot. , about why each is necessary. 2. So far this week, we have studied a , 1. When I was a child, I ________ (swim) a lot. lot. 2. So far this week, we ________ (study) a lot. 3. Theo has been very sick recently. . 3. Theo __________ (be) very sick recently. 4. I _________ (have) a terrible headache 4. I had a terrible headache yesterday. . yesterday. 5. It has rained a lot lately. . 5. It ________ (rain) a lot lately. 6. They got married ten years ago. . 6. They _______ (get) married ten years ago. 7. My family took a vacation last year.. 7. My family ________ (take) a vacation last year. 15 16 4

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