open

«open» in Mova's school dictionary: to move something so you can go in or see inside: open a… — its meaning for a pupil, its sense in the lessons and examples, with 5 sentences of Mova's corpora that use it.

part of speech

verb (open, opens, opened, opening); adjective (open); noun in «in the open»

meaning for a pupil

1) To open is to move something so you can go in or see inside: open a door, open a box. tree →

2) Open means not closed. tree →

3) A shop or place is open when people can go in and use it. tree →

4) Open means not covered or not fenced in: the open sea, open fields. tree →

5) To open can mean to start: «The show opens on Friday». tree →

sense in the lessons

In maths: a story action (open a box, a shop opens); times when a shop is open; sometimes a count found inside; an «open» shape has a gap and is not a closed shape. In everyday life: opening hours, opening presents, «open the window». In science: an open circuit has a gap, so no current flows. In stories: «the door creaked open».

examples

• She opens a box with 12 crayons. tree →
• The shop opens at 9 and closes at 5. tree →
• How many hours is the shop open? tree →
• He opened 3 presents. tree →
• Please open your books at page 10. tree →
• The window is open, so it is cold. tree →
• A circle is a closed shape, but a «C» is open. tree →
• The new library opens next month. tree →
• Do not open the door to strangers. tree →
• At midnight the cottage door opened. tree →

note

«Opens at … closes at …» asks for time between them: subtract. Opening a box shows how many are inside. Trap: count hours carefully across noon. Opposite: close or shut, closed. In an electric circuit, «open» means broken (off), the opposite of everyday sense. Safety: do not open the door or messages from strangers.

In the corpora

• Heating a room with the window open sends the warm air, and the money that paid for it, straight outside.
• That night she opens her banking app and groans: "The app says we've spent eighty dollars on takeaways this month."
• In Manchester, Mum sits with the phone at 7.59, ready to ring the surgery the second it opens.
• Running and other exercise release chemicals in the brain that lift mood, and free weekly parkruns are open to all ages.
• Vivid example: in Auckland, Freya and her dad sit on the sofa with the TV menu open.

Trees and pragmatics

Every meaning and example of «open» parsed by Mova, each sentence with its dependency tree and frames.