From past to the present… Computer Age From past to the present…

Past Present From the past until now Computers have changed a lot. We all have computers at home. Computers are smaller now. Schools have bought many computers. The first computer appeared in 1946 Companies adopted them in the 1960s.

Simple Past Simple Present Present Perfect To go – went – gone Simple Past Simple Present went appeared gave invented created … go /goes are have live(s) work(s) … Present Perfect have gone have played have given have invented have created

to go – went – gone to be – was – been I have + pp You have + pp He She has + pp It We You have + pp They Os computadores têm mudado muito. (change) Computers have changed a lot. Computers … A evolução tem sido contínua. Evolution has been continuous. Evolution …

Have you ever + pp ? Já alguma vez… Have you ever had a car accident? Yes, I have / No I haven’t. Have you ever won a competition? Have you ever broken a leg? Have you ever driven a car? Have you ever been in hospital?

Simple Past or Present Perfect ? launched Apple ___________________ (launch) the iPad in 2010. They ___________________ (launch) three models since 2010. _________ you __________ (see) the most recent model? Apple ___________________ (sell) 1 million iPads on the first day. have launched Have seen sold

Simple Past or Present Perfect ? That day thousands of people _________________ (wait) outside the stores to get it. They ___________________ (sell) 55 million iPads until now. _________ you ever__________ (use) one of them? No, I ___________________ (not have) the chance to get one yet. waited have sold used Have haven’t had

Simple Past or Present Perfect ? died Apple head, Steve Jobs, __________ (die) last year. He _______________ (take) control of Apple in 1997. Apple ___________________ (become) one of the most powerful companies ever. took has become

studied left buried gone dropped wanted decided taught scrapped fallen burnt wrote got sworn been eaten produced changed damaged caught broken supplied driven ridden seem danced studied left buried gone dropped wanted decided taught scrapped fallen loved stayed done died

still /yet/already It’s 11 o’clock and Pedro is still in bed. It’s 10 o’clock and Pedro hasn’t got up yet! I’m hungry. Is dinner ready yet? It’s 9 p.m. and Pedro is already in bed.

never / ever / so far Have you ever tried to kick the ball with your left foot? No, I have never tried that so far.

Just They have just got married. They have just left the church. They have just started their honeymoon.

Exercises ever never yet still yet Have you ___________been to England? No, I've _____________been there. I haven't seen John ________. Is everything OK with him? The students __________haven't been told about the test. I haven't told the students about the test ______. ever never yet still yet

Exercises never /already He has ____________ sent me an e- mail. He said he would be here at 10 o'clock but he __________hasn't come . I have done four exercises __________. And you? It hasn't stopped raining __________. still already yet

Exercises has worked Mr Clark _____________ (work) in this office for 15 years. Everybody loves him . Molly lives in Dublin. She _______________(live) there all her life. When we were on holiday, the weather ____________(be) awful. My grandfather ___________(die) 20 years ago. I ________________(never / meet) him. I don't know Carol's husband. I _______________(meet) him yet. has lived was died have never met haven’t met

lost have lost have you done Have you ever been has had Last year I _______(lose) my passport. I can't find my passport. I think I _____________(lose ) it. You house looks so different!! What ________________(you / do) ? __________________(you / ever/ be ) here ? My teacher ____________(have) a black Ford for as long as I know her. lost have lost have you done Have you ever been has had

has seen arrived didn’t go started has already seen saw have been Nobody _______________(see) the boss yet. He ____________(arrive) late for work this morning. Ruth ______________(not/ go) out with Tom since she ____________(start) working. I ________________(already/see) that film but I can't remember when I ___________(see) it. Bob and Alice are married . They ______________(be) married for 20 years. has seen arrived didn’t go started has already seen saw have been