Past simple Vs. Present perfect Universidad Santiago de Cali Past simple Vs. Present perfect Professor: Arturo Valderruten Vidal

A: Did you like the movie "Star Wars. " B: I don't know A: Did you like the movie "Star Wars?" B: I don't know. I ___ (see, never) that movie. have never seen never have seen has seen never seen never has

Sam ___ (arrive) in San Diego a week ago. arrived has arrived have arrived arrive

My best friend and I ___ (know) each other for over fifteen years My best friend and I ___ (know) each other for over fifteen years. We still get together once a week. have known have knew has known knew

Stinson is a fantastic writer Stinson is a fantastic writer. He ___ (write) ten very creative short stories in the last year. One day, he'll be as famous as Hemingway. ‘s written has wrote wrote write

I ___ (have, not) this much fun since I ___ (be) a kid. haven’t had - was had not - were hadn’t had - have been didn’t have - was

Things ___ (change) a great deal at Coltech, Inc Things ___ (change) a great deal at Coltech, Inc. When we first ___ (start) working here three years ago, the company ___ (have, only) six employees. Since then, we ___ (expand) to include more than 2000 full-time workers. have changed – started – only had – have expanded changed – started – only had – have expanded have changed – started –had only – expanded changed – have started –had only –expanded

I ___ (tell) him to stay on the path while he was hiking, but he ___ (wander) off into the forest and ___ (be) bitten by a snake. told – wandered – was have told – wandered – was told – has wandered – was told – wandered – has been

Listen Donna, I don't care if you ___ (miss) the bus this morning Listen Donna, I don't care if you ___ (miss) the bus this morning. You ___ (be) late to work too many times. You are fired! missed – have been missed – were have missed – have been have missed – are

Sam is from Colorado, which is hundreds of miles from the coast, so he ___ (see, never) the ocean. He should come with us to Miami. has never seen never has seen has seen never never saw

How sad! George always ___ (want) to go to Cartagena before he died, but he didn't make it. wanted has wanted have wanted hasn’t wanted

I ___ (see, never) the ocean in my whole life. ‘ve never seen never have seen never saw have seen never

has become – took – has been In the last hundred years, traveling ___ (become) much easier and very comfortable. In the 19th century, it ___ (take) two or three months to cross the country by horse. The trip ___ (be) very rough and often dangerous. has become – took – was became – took – was has become – took – has been became – has taken – was

Transportation ___ (change) a great deal in the last hundred years Transportation ___ (change) a great deal in the last hundred years. Now you can fly from one country to another in a matter of hours. has changed changed have changed hasn’t changed

Jonny, I can't believe how much you ___ (change) since the last time I ___ (see) you. You ___ (grow) at least a foot! ‘ve changed – saw – ‘ve grown changed – have seen – grow ‘ve changed – saw – grew up changed – saw – have grown

This tree ___ (be) planted by the settlers who ___ (found) our city over four hundred years ago. was – founded has been– founded was – have founded has been– have founded

This mountain ___ (be, never) climbed by anyone This mountain ___ (be, never) climbed by anyone. Several mountaineers ___ (try) to reach the top, but nobody ___ (succeed, ever). has never been – have tried – ever succeeded was never – have tried – ever succeeded has never been – tried – succeeded ever never has been – have tried – succeeded ever

The climb of the Everest is extremely difficult and many people ___ (die) trying to reach the summit. have died ‘ve died has died died

I ___ (visit, never) Africa, but I ___ (travel) to South America several times. ‘ve never visited – ‘ve traveled ‘ve never visited – traveled never visited – ‘ve traveled visited never– traveled

Last year I ___ (go) to South America, I ___ (visit) Brazil and Peru. went - visited went – have visited have gone - visited have gone – have visited

During my last vacation, I ___ (spend) two weeks in the Amazon. spent spend spended have spent

During my trip to Peru, we ___ (hike) for a week near Machu Picchu, and we ___ (fly) over the Nazca Lines. hiked - flew ‘ve hiked - flew hiked – ‘ve flown ‘ve hiked – ‘ve flown

Since cell phones were first ___ (introduce) to the public in the early 2000's, communication ___ (change) a great deal. introduced – has changed Have introduced – changed introduced – changed introduced – is changing

The first computers ___ (be) simple machines designed for basic tasks The first computers ___ (be) simple machines designed for basic tasks. They ___ (have, not) much memory and they ___ (be, not) very powerful. were – didn’t have – weren’t were – didn’t have – haven’t been were – haven’t had – haven’t been have been – haven’t had – weren’t

Early computers were often quite expensive and customers often ___ (pay) thousands of dollars for machines which actually ___ (do) very little. paid – did have paid – did have paid – have done paid – didn’t do

I ___ (go) to the Coffee park last vacation. I really liked it! went gone have gone

In the beginning of the photography era, most cameras ___ (be) big, heavy machines used mostly for family portraits. have been were was weren’t

Times ___ (change) . Computers ___ (become) powerful machines with very practical applications. changed – have become have changed – have become ‘ve change – became ‘ve changed – have became

During the last years, we ___ (create) a large selection of useful foreign languages and simultaneous translation courses for our Institute's students. create have created are creating created

During the last decades, we ___ (be) able to create international communities online. In a short time, the simple, individual machines of the past ___ (evolve) into an international World Wide Web of knowledge. been – have evolved ‘ve been – have evolved ‘ve been – evolved were – have evolved

We are still play a lot of video games, but today's games ___ (become) faster, with more exciting interactive adventures. became have become ‘ve become are becoming

Many smartphone users ___ (get, also) on the Internet to communicate with other people around the world. also have gotten have also gotten have got also also got

has forgotten – has taken I think the waiter ___ (forget) us. In over an hour, nobody ___ (take) our order yet. has forgotten – has taken forgot – has taken has forgotten – took forgot – took

That man ___ (walk) by our jewelry at least twenty times That man ___ (walk) by our jewelry at least twenty times. He probably plans something bad. walked has walked have walked have walk

Look at that couple over there, they ___ (be) here for five or ten minutes. I guess they ___ (loose) something. ‘ve been – ‘ve lost ‘ve been – lost were – ‘ve lost were – lost

A: How long ___ (be) in Canada? B: I ___ (come) here in 1999. have you been – ‘ve come have you been – came were – ‘ve come were – came

Philip ___ (work) here for more than three years. has work has worked worked is working

I ___ (have) the same car for more than ten years I ___ (have) the same car for more than ten years. I'm thinking about buying a new one. had ‘ve had haven’t had ‘ve not have

I ___ (love) chocolate since I was a child I ___ (love) chocolate since I was a child. You might even call me a "chocoholic." loved ‘ve loved am loving haven’t loved

Matt and Sarah ___ (have) some difficulties in their relationship lately, so they ___ (go) to a marriage counselor. I hope they work everything out. had – went have had – went have had – have gone had – have gone

has worked – has graduated John ___ (work) for the government since he ___ (graduate) from the University. worked – graduated has worked – graduated worked – has graduated has worked – has graduated

Until recently, I ___ (enjoy) my job, but now I'm thinking about retiring. have enjoyed enjoyed haven’t enjoyed has enjoyed

Lately, I ___ (think) about changing my career. thought ‘ve thought haven‘t thought have thinked

I feel that I ___ (become) dissatisfied with the conditions at my company. became ‘ve become haven’t become haven’t became

I ___ (be) Judy's friend for more than five years I ___ (be) Judy's friend for more than five years. I ___ (meet) her at the university. ‘ve been – ‘ve met ‘ve been – met ‘ve not been – met haven’t been – have met

During the last weeks I ___ (see) many changes in my son's personality. saw ‘ve seen ‘ve saw haven’t seen

Since I began acting, I ___ (perform) in two plays, a television commercial and a TV drama. haven’t performed ‘ve performed haven’t perform performed

By the time I ___ (get) to the office, the meeting ___ (begin, already) without me. have gotten – already began got – already began ‘ve got – have already began got – have begin already

I ___ (be) late at the office yesterday I ___ (be) late at the office yesterday. My boss ___ (be) furious with me and I ___ (be) fired. have been – was – was was – was – was was – have been – was was – was – have been

When I ___ (turn) the radio on yesterday, I ___ (hear) a song that was popular when I was in high school. ‘ve turned - heard turned - heard turned – ‘ve heard ‘ve turned - ‘ve heard

I ___ (be) to the Coffee park two or three times. has been was have been were

I ___ (see, not) this actor in years. Have not saw have seen haven’t seen not saw

Looking at this old photo album ___ (bring) me back some great memories. have brought has brought brought bringed

‘ve visited – haven’t seen Last week, I ___ (visit) an ex-girlfriend of mine. We ___ (see, not) each other in years. visited – didn’t see ‘ve visited – haven’t seen visited – haven’t seen visited – haven’t saw

Both of us ___ (change) a great deal Both of us ___ (change) a great deal. I ___ (enjoy) talking to her so much that I ___ (ask) her out on a date. We are getting together tonight for dinner. changed – enjoyed - have asked changed – have enjoyed - asked have changed – enjoyed – asked changed – enjoyed – asked

When Jack ___ (enter) the room, I ___ (recognize, not) him because he ___ (lose) so much weight and ___ (grow) a beard. He looked totally different! have entered – didn’t recognize – lost - grew entered – didn’t recognize – lost – has grown entered – didn’t recognize – lost - grew entered – haven’t recognize – has lost - grew

The Maya established a very advanced civilization in the jungles of the Yucatan; however, their culture ___ (disappear, virtually) by the time Europeans first ___ (arrive) in the New World. virtually disappeared – have arrived has virtually disappeared – arrived virtually disappeared – arrived has disappeared virtually – have arrived

I ___ (visit) so many beautiful places since I ___ (come) to Utah I ___ (visit) so many beautiful places since I ___ (come) to Utah. Before moving here, I ___ (hear, never) of Bryce Canyon, Zion, Arches, or Canyonlands. visited – have come – have never heard ‘ve visited – ‘ve come – have heard never ‘ve visited – came – never heard ‘ve visited – came – have never heard

I ___ to work every day this week. walked has walked have walked am walking

My girlfriend and I ___ three times last week. has gone out are going went out have gone out

I ___ in Cali for five years, but I no longer live there. have lived am living lived live

I ___ in Cali for five years, and I still live there. has lived lived have lived am living

You ___ her, did you? told have told didn't tell haven't told

You ___ her, have you? didn't tell have told haven't told told

I ___ in a small town in Ecuador. have been born were born was born born

Pedro's sister ___ her friend in Bogotá last year. have visited has visited visited is visiting

I ___ you at the party last night. Where were you? saw have seen didn't see haven't seen

I ___ volleyball in several months. didn't play played haven't played have played

I ___ my girlfriend yesterday. (see) haven’t seen have seen saw didn’t saw

I ___ there twice. was wasn’t have been haven’t been

I ___ to class since last week. (go) went have gone haven't gone didn’t go

___ typical Colombian food? (eat) Ate you Did you eat Have you eaten You ate

Olga ___ to Popayán twice recently. (be) was were has been wasn’t

I ___ him yesterday. (see) Did you see him? haven’t seen didn’t saw didn’t see have seen

When ___ you ___ to San Francisco? (go) did you went didn’t you go did you go have you gone

Here are your shoes; I ___ (just / clean) them. cleaned just have just cleaned just cleaned just have cleaned

How many times ___ to London? (you/be) were you you were did you been have you been

___ in the office yesterday? (he/be) Has he been He’s been He was Was he

I ___ Peter last week because he was ill. (not/see) have seen didn’t saw haven’t seen didn’t see

The President ___ our country five years ago. (visit) have visited didn’t visit has visited visited

I ___ Falcao twice - once five years ago and once this year. (meet) haven’t met didn’t meet have met met

How often ___ on holiday when you were a child? (you/go) you went didn’t you go have you gone did you go

___ lunch yet? (you/have) Did you have Did you had Has you had Have you had

What time ___ lunch today? (you/have) didn’t you have have you had did you had did you have

Welcome back, John. ___ a good holiday? (you/have) Haven’t you had Have you have Did you had Did you have

He ___ (live) in Bucaramanga for two years and then he ___ (move) to Cúcuta. has lived – moved has lived – has moved lived – has moved lived – moved

A: ___ (wear) your hair long when you were at school A: ___ (wear) your hair long when you were at school? B: Yes, my mother ___ (insist) on it. Have you worn - has insisted Did you wear – has insisted Have you worn - insisted Did you wear - insisted

When I ___ (leave) school I ___ (cut) my hair and I ___ (wear) it short ever since. ‘ve left – ‘ve cut –wore ‘ve left – have cut – have worn left – have cut – have worn left – cut – have worn

Shakespeare ___ (write) a lot of plays. did write have written has written wrote

My brother ___ (write) several books My brother ___ (write) several books. He ___ (just / finish) his third novel. wrote –just finished wrote – has just finished has written – has just finished has written – just finished

‘ve flown – Have you seen A: I ___ (fly) over Loch Ness last week. B: ___ (you/see) the Loch Ness monster? ‘ve flown – Have you seen flew – Have you seen have flown – Did you see flew – Did you see

I ___ (not see) him for three years. I wonder where he is. have seen saw didn‘t see haven‘t seen

He ___ (not smoke) for two weeks. He is trying to give it up. didn‘t smoke smoked has smoked hasn‘t smoked

Chopin ___ (compose) some of his music in Majorca. is composing didn’t compose has composed composed

A: When ___ (arrive)? B: He ___ (arrive) at 2.00. has he arrived – has arrived did he arrive – has arrived has he arrived – arrived did he arrive – arrived

___ (you / lock) the door before you left the house? You locked Have you locked Did you locked Did you lock

I ___ (read) his books when I was at school I ___ (read) his books when I was at school. I ___ (enjoy) them very much. ‘ve read – ‘ve enjoyed ‘ve read – enjoyed read – ‘ve enjoyed read – enjoyed

I can't go out because I ___ (not finish) my work. didn’t finish didn’t finished haven’t finish haven’t finished

I ___ (never / drink) aguardiente. didn’t never drink ‘ve never drink ‘ve never drank ‘ve never drunk

I ___ (write) the letter but I can't find a stamp. am writing wrote haven’t written have written

A: The clock is slow. B: It isn't slow, it ___ (stop). didn’t stop hasn’t stopped stopped has stopped

The end. Result. Home. Exit.