about (abáut) - aproximadamente, alrededor de
around (aráund) - aproximadamente, alrededor de
before (bifór) - antes de
after (áfter) - después de

during (diúring) - durante
over (óuver) - durante
for (for) - durante, por
throughout (zruáut) - durante todo

about (abáut) - / around (aráund) - aproximadamente a, alrededor de

• • play
  • pause

  Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.
• The doctor will be here about three o'clock.
  El doctor estará aquí aproximadamente a las tres.
• They promised to be here about Friday.
  Prometieron estar aquí alrededor del viernes.
• Mary should arrive around four o'clock.
  Mary debería llegar alrededor de las cuatro.

before (bifór) - antes de

• • play
  • pause

  Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.
• Mary left before dinner.
  Mary se marchó antes de la cena.
• They will be here before the weekend.
  Ellos estarán aquí antes del fin de semana.
• The engineers will complete the project before March.
  Los ingenieros completarán proyecto antes de marzo.

after (áfter) - después de

• • play
  • pause

  Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.
• Susan went to bed after dinner.
  Susan se fue a la cama después de la cena.
• It is five minutes after three o'clock.
  Son cinco minutos después de las tres.
• The explorer was tired after such a long journey.
  El explorador estaba cansado después de semejante largo viaje.

during (diúring) - durante

• • play
  • pause

  Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.
• Trees blossom during the spring.
  Los árboles florecen durante la primavera.
• Jimmy will be working during the morning.
  Jimmy estará trabajando durante la mañana.
• The people yawned during the politician's speech.
  La gente bostezó durante el discurso del político.

over (óuver) - durante

• • play
  • pause

  Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.
• This vaccine has been tested over the past ten years.
  Esta vacuna ha sido probada durante los últimos diez años.
• We saw him several times over the weekend.
  Lo vimos varias veces durante el fin de semana.
• Thousands of tourists will be coming over the holidays.
  Miles de turistas estarán viniendo durante las vacaciones.

for (for) - durante, por

• • play
  • pause

  Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.
• They intend to stay there for two weeks.
  Ellos planean quedarse allí por dos semanas.
• Jews celebrate Passover for seven or eight days.
  Los judíos celebran la Pascua durante siete u ocho días.
• Sales have increased for the past two months.
  Las ventas han aumentado durante los dos últimos meses.

throughout (zruáut) - durante todo

• • play
  • pause

  Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.
• Bill slept throughout the conference.
  Bill durmió durante toda la conferencia.
• It was rainy throughout the summer.
  Estuvo lluvioso durante todo el verano.
• Sales will increase throughout the next quarter.
  Las ventas aumentarán durante todo el próximo trimestre.