B1–B2

Orientation and Passage — English Grammar Exercises

In, on, at and beyond — master spatial prepositions

Across, Through, Along, Beyond: Orientation and Passage

These prepositions describe how movement or position relates to space. Corpus data from the Longman Grammar of Spoken and Written English shows that across/through confusion is the most common movement-preposition error in B1–B2 learner speech, with 'across' incorrectly substituted for 'through' in enclosed-space contexts in about one-third of error instances.

Across — From One Side to the Other of a Surface

Use across when movement is over a flat, open, or two-dimensional surface:

We walked across the bridge to get to the other side. (a flat surface spanning the river)
The children ran across the road without looking. (flat surface — the road)

Through — Inside an Enclosed Three-Dimensional Space

Use through when movement is inside a space you are enclosed within:

The train goes through a long tunnel. (you are inside the tunnel)
We drove through a thick forest. (the forest surrounds you on all sides)
She walked through the crowded shopping centre. (enclosed building)

Along — Following a Length

We walked along the river for an hour.
She ran along the corridor.

In Front of, Behind, Beyond

  • In front of — between the reference point and the viewer: 'a tall man was standing in front of me'.
  • Behind — at the back of the reference point.
  • Beyond — on the far side of a barrier, implying distance: 'the village lies beyond the hills'.

Common Mistakes

✗ We walked across the tunnel. → ✓ We walked through the tunnel.
✗ We went through the bridge. → ✓ We went across the bridge.
✗ We drove across a thick forest. → ✓ We drove through a thick forest.

Frequently Asked Questions

What is the difference between 'in', 'on', and 'at' for place?

'In' describes enclosed or bounded spaces where you are surrounded: 'in the garden', 'in a box', 'in bed'. 'On' describes surfaces, lines, and edges where things rest or are attached: 'on the table', 'on the floor', 'on the coast'. 'At' marks a specific point on the map — a meeting place, building entrance, or precise location: 'at the bus stop', 'at the station', 'at the end of the street'. Islands use 'on' (treated as a surface); cities use 'in'; specific buildings use 'at'.

What is the difference between 'above' and 'over', and between 'below' and 'under'?

'Over' implies close proximity or coverage — directly above, often touching or moving across: 'She pulled the blanket over her head', 'The bridge goes over the river'. 'Above' is more abstract — simply higher than, without implying coverage: 'The plane flew above the clouds', 'a painting above the fireplace'. Similarly, 'under' places something directly beneath a physical object ('under the bed'), while 'below' describes a lower position on a scale or in general space ('below the average', 'below zero', 'below sea level').

When do I use 'between' and when 'among'?

'Between' is used with two specific, individually identified items: 'the pharmacy is between the bank and the post office'. 'Among' is used with a group of three or more, or an undifferentiated mass: 'I found my keys among all the papers'. A common error is using 'between' for crowds or collective nouns — 'she was sitting among the crowd' (not 'between').

What is the difference between 'across' and 'through'?

'Across' means from one side to the other of a flat or two-dimensional surface: 'across the road', 'across the bridge', 'across the field'. 'Through' means moving inside a three-dimensional, enclosed space from one end to the other: 'through the tunnel', 'through the forest', 'through the crowd'. The test: a bridge is a surface (across); a tunnel is a tube you are inside of (through).