I have done (present perfect) y I did (past simple) En general el PRESENT PERFECT corresponde al pretérito perfecto compuesto del español: • I have lost my key. He perdido ... Have you seen Ann? • Bill has gone home. Bill se ha ido ... Have you ever been to Spain? Con un período de tiempo ya terminado (yesterday / last week etc.) se usa el pasado (arrived / saw / was etc.), que muchas veces corresponde al pretérito perfecto simple del español. past simple + tiempo ya terminado We arrived íj'empo ya terminado yesterday last week six months ago yesterday. last week. at 3 o'clock. ¡n 1991. six months ago. pasado ahora No se usa el PRESENT PERFECT con un período de tiempo ya terminado. I saw Paula yesterday. (no ' I have seen Paula ...') Where were you on Sunday afternoon.'(no'Where have you been ...?') We didn't have a holiday last year. (no'We haven't had ...') 'What did you do last night?' ' I stayed at home.' William Shakespeare lived from 1564 to 1616. He was a writer. He wrote many plays and poems. Se usa el PAST SIMPLE, y no el PRESENT PERFECT, en las preguntas que comienzan por When ... } o What time . . . ?; • When did they arrive? (no 'When have they arrived?') • What time did you get up? (no'What time have you got up?') Observa y compara: PRESENT PERFECT PAST SIMPLE • I fa%elost my key. (no la encuentro ahora) • Bill i i i i l b % " ; home. (no está aquí ahora) • tíaVié^ou'seen^ Ann? (¿Dónde está ahora?) pero • I lost my key yesterday. pero • Bill went home ten minutes ago. pero • D i d you see Ann last Saturday? tiempo ya termmado ahora pasado • :|W^Urjr¿?&^ to Spain? . (alguna vez en el pasado) • M y friend is a writer. He has writtcn,, many books. • The letter hiun'^fnived yet. pasado ahora pero • D i d you go to Spain last year? pero • Shakespeare wrote many plays and poems. • The letter difi|A't'|^V!^, yesterday. Observa también la siguiente diferencia de uso entre inglés y español: • Tve lived in Singapore for six years. Vivo en Singapur desde hace seis años. (Y todavía vivo allí) PAST S I M P L E : ])NIDADES'12f-13 PRESENT PERFECT = pero iiNJDÁtiES 16-19 • I lived in Glasgow for six years but now I live in Singapore. Viví en Glasgovi/ durante seis años pero ahora vivo en Singapur.