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lunes, 29 de diciembre de 2025

The Logic of Prepositions Stop guessing. Use geometry. Is it a container (IN), a surface (ON), or a specific point (AT)?

The Logic of Prepositions | PAGS Unit
PAGS Level 3/4 Preparation

The Logic of
Prepositions

Stop guessing. Use geometry. Is it a container (IN), a surface (ON), or a specific point (AT)? Deja de adivinar. Usa la geometría. ¿Es un contenedor (IN), una superficie (ON) o un punto específico (AT)?

The Pyramid of Precision

AT

PRECISE POINT

ON

SURFACE / DAY

IN

CONTAINER / GENERAL

More Specific (AT)
More General (IN)

Phase 1

Space Geometry

Where is it? Inside a box, on a line, or at a dot? ¿Dónde está? ¿Dentro de una caja, sobre una línea o en un punto?

IN

3D Space. Enclosed area. Volume.

In the box/room
In London/Spain (Borders)
In the water (Surrounded)
In a car/taxi (Sit down inside)
In the mirror/photo

ON

2D Surface. A Line. Contact.

On the table/wall/floor
On the bus/train/plane (Walk on it)
On Oxford Street (A line)
On the left/right
On page 5 / On the menu

AT

Specific Point. Location (not inside).

At the door/bus stop
At home/school/work
At the party/event
At the top/bottom
At 23 Oxford St (Exact address)

The Transport Rule

IN (Small/Sit)

You must sit down to enter.

Car, Taxi, Helicopter

ON (Big/Walk)

You can walk on it.

Bus, Train, Plane, Ship

Phase 2

Time Zoom

How precise are you? Centuries or Seconds? ¿Qué tan preciso eres? ¿Siglos o segundos?

IN (Long Periods)

Months, Years, Seasons, Centuries.

  • In 1990 / In the 90s
  • In July / In Summer
  • In the morning/afternoon
  • In 5 minutes (Future)

ON (Days & Dates)

Specific days or full dates.

  • On Monday / On Tuesdays
  • On 1st May / On my birthday
  • On Christmas Day
  • On Friday morning

AT (Clock Time)

Exact time and exceptions.

  • At 5 o'clock / At 3:30
  • At night / At noon / At midnight
  • At the weekend (UK)
  • At Christmas (The period)
Phase 3

Dynamic Movement

Movement prepositions imply a change of state or position. Las preposiciones de movimiento implican un cambio de estado o posición.

TO / TOWARDS

TO (Destination)

"I am going to Italy." (I will arrive there).

TOWARDS (Direction)

"Walk towards the door." (Direction, maybe not arrival).

INTO / ONTO

INTO (Enter volume)

"He walked into the room."

ONTO (Jump on surface)

"It jumped onto the table."

The "Arrive" Trap

ARRIVE IN

Cities / Countries

"Arrive in London."

ARRIVE AT

Buildings / Events

"Arrive at the airport."

NEVER say "Arrive to".

The Arena (50 Qs)

Preposition Master

  • L1: Space (In/On/At)
  • L2: Time (Logic)
  • L3: Transport & Movement
  • L4: Collocations (Good at...)
  • Boss: Arrive, End, etc.

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