English Grammar : article, syntax, verbs conjugation, English spelling

Prepositions » Prepositions of time

Prepositions of time

  • at -- used with specific points in time
    “The store will open at eight o'clock.”
    “She left for the office at 3:15.”
  • in -- used with periods of time
    “The war ended in 1918.”
    “Cathy should be back in fifteen minutes.”
    “Those flowers bloom in the late spring.”
  • on -- used with days and dates
    “Our daughter was born on June 6, 1975.”
    “The game will be played on Monday.”
    “We stayed up late on New Year's Eve.”
  • during -- happening in or over a period of time
    “I took notes during the meeting.”
    “During the morning, it rained.”
    “He feel asleep twice during the play.”
  • by -- at or before a point in time
    “You should be here by 6:00.”
    “This report has to be done by Friday.”
    “By 8:30, he was very drunk.”
  • until -- up to a certain time
    “You have until 5:00 to do that work.”
    “I can wait until you decide.”
    “Until he arrives, we can't begin.”
  • from...to -- between two points of time
    “We waited for him from 2:30 to 3:30!”
    “It is very cold from October to March.”
    “Wendi works from Monday to Friday.”
  • before -- taking place at an earlier time
    “Before you talk to him, get some advice.”
    “He came to America before the Civil War.”
    “If I get home before 7:00 we can go to a movie.”
  • after -- taking place at a later time
    “After you talk to him, come and see me.”
    “I cleaned up the room after everyone left.”
    “Friday comes after Thursday.”
  • for -- lasting a period of time
    “Philip spoke to us for three hours.”
    “The valley was flooded for ten days.”
    “I plan to live in Chicago for the rest of my life.”
  • in -- after a period of time (2nd meaning)
    “We will begin in ten minutes.”
    “He is going to retire in four years.”
    “The election will be held in a few months.”
  • since -- starting from a point in time
    “We've been working since he left.”
    “He has been talking since 7:00.”
    “Since 1955, the population of this city has doubled!”