Directions and Positions — On the Left, At the Top — English Grammar Exercises
in the 1950s, on the left, at three o'clock, by train — master the hardest article choices in English
Directions and Positions: Why 'The' Is Always Required
English direction and position phrases — on the left, on the right, at the top, at the bottom, in the middle, at the end, at the beginning — consistently require the definite article. This is a fixed grammatical convention: the position is treated as uniquely identifiable within a given space. Learner data shows that omitting 'the' in these phrases ('turn on left', 'at top of the page') is a high-frequency error at B1 level.
Core Direction and Position Phrases
The exit is on the right at the end of the corridor.
Look at the top of the page for instructions.
The bathroom is at the end of the corridor.
Your name is in the middle of the list.
Common Mistakes
✗ The answer is at — bottom of the page. → ✓ The answer is at the bottom of the page.
✗ Write your name at — top. → ✓ Write your name at the top.
Frequently Asked Questions
When do you use 'the' with geographical names?
The rules are pattern-based. Rivers, oceans, seas, and deserts always take 'the': the Amazon, the Pacific, the Sahara. Mountain ranges take 'the' but individual peaks do not: the Alps, the Andes — but Mount Everest, Mount Fuji. Countries with a political word or a plural name take 'the': the United Kingdom, the United States, the Czech Republic, the Netherlands — but France, Japan, Brazil, Poland take no article. Continents never take 'the': in Africa, across Europe, throughout Asia. Individual lakes take no article when the word 'Lake' appears in the name: Lake Geneva, Lake Victoria — but the Great Lakes (plural).
Why do we say 'in the morning' but 'at night'?
'In the morning', 'in the afternoon', and 'in the evening' all use 'the' with the preposition 'in'. But 'at night', 'at midnight', 'at noon', 'at dawn', 'at sunset', and 'at sunrise' use no article — these are fixed expressions treated as singular unique time points. The rule is not fully logical; it must be memorised as a set. A useful anchor: if the preposition is 'in' + a part of the day, use 'the'. If the preposition is 'at' + a time word, use no article.
What is the difference between 'go to school' and 'go to the school'?
Institutional nouns — school, hospital, prison, church, university, college, bed, work — drop the article when used for their primary purpose. 'Go to school' means going as a student to learn; 'go to the school' means visiting the physical building for any other reason (as a parent, a plumber, a visitor). The same logic applies across the set: 'in hospital' (as a patient) vs 'at the hospital' (visiting); 'go to prison' (as a prisoner) vs 'visit the prison' (as a tourist); 'go to bed' (to sleep) vs 'sit on the bed' (the furniture).
Why is there no article in 'by bus', 'by train', 'by car'?
The 'by + transport' pattern treats the vehicle as a method of travel, not a specific object, so no article is used: by bus, by train, by car, by plane, by taxi, by bike. The article returns when the preposition changes: 'on the bus' (on a specific bus), 'in the car' (inside a specific vehicle), 'in a taxi' (in one particular taxi). The key signal is the preposition 'by' — whenever 'by' means the mode of transport, never use an article.