23/03/2019
Embarking on a journey, whether it's a daily commute or a grand adventure, often involves navigating the nuances of language. For English learners, understanding how to describe our travel experiences is key to clear communication. Today, we're diving deep into the world of prepositions, those seemingly small but mighty words that dictate our understanding of movement and location. Specifically, we'll be focusing on three essential prepositions when discussing transportation: 'in', 'on', and 'by'. Mastering these will not only refine your English but also give you a more precise way to express how you get from one place to another.

The Enclosed World: Using 'In'
The preposition 'in' is typically used for vehicles that are smaller and enclosed, where you are essentially contained within a space. Think of it as being inside a private, mobile room. You can't stand up and walk around freely within these vehicles; your movement is generally limited to your seat. This rule applies to most common personal and private forms of transport.
When to use 'in':
- Cars and Taxis: This is perhaps the most common scenario. You sit in a car or taxi because you are enclosed by its doors, roof, and windows. The feeling is one of being within a contained unit. For example, "I am in the car waiting for you," or "She was in a taxi when she called."
- Smaller Boats and Canoes: Even though these might be open at the top, you are situated in the structure of the boat, within its hull. "They were in a canoe paddling down the river."
- Other Enclosed Spaces: This also extends to other enclosed vehicles, such as "He spent hours in his truck for work."
The Mobile Platform: Using 'On'
Conversely, the preposition 'on' is reserved for larger modes of transportation where you can stand up, walk around, or when you are directly on top of a surface that moves. It implies a sense of being on a platform or deck, rather than within a fully enclosed capsule.
When to use 'on':
- Buses, Trains, Planes, Ships: These are all substantial vehicles where passengers can move about. You board them and are then on them. You can walk the aisles of a bus or train, or move between cabins on a ship. "We are on the bus to downtown," or "They were on a plane to Paris."
- Bicycles, Motorcycles, Horses: For these, you are positioned directly on top of the vehicle or animal. You are not enclosed; you are balanced upon it. "He is on his bike going to the park," or "She got on her motorcycle and left."
- Other Surfaces: This can also apply to being on a specific part of a vehicle, like "The cat was found sleeping on the hood of the car."
The Method of Travel: Using 'By'
The preposition 'by' plays a different role entirely. It's not about the physical position within or on the vehicle, but rather about the method or mode of transportation chosen. It answers the question, "How did you travel?"
When to use 'by':
- Modes of Transport: This is the most common use. You use 'by' to state the type of transport used. "We are traveling by car to the beach," or "I go to work by bicycle." Other examples include "by train," "by bus," "by plane," "by boat," "by ship," and "by air."
- By Foot: This is a specific and important idiom. When you travel on your own two feet, you say you went by foot. "We went there by foot." This contrasts with using a vehicle.
Comparative Table: 'In', 'On', and 'By' in Action
To further solidify your understanding, let's look at a direct comparison:
| Scenario | Preposition | Explanation | Example Sentence |
|---|---|---|---|
| Travelling in a small, enclosed vehicle. | In | You are inside the enclosed space. | She is in her car waiting for the traffic to clear. |
| Being a passenger on a large vehicle you can walk around in. | On | You are on the platform or deck of the larger vehicle. | We met on the subway during rush hour. |
| Riding a two-wheeled vehicle or an animal. | On | You are positioned on top of it. | He got on his bicycle and rode off into the sunset. |
| Stating the method of travel. | By | This indicates the chosen means of transport. | They traveled by train to get to the countryside. |
| Walking as your method of travel. | By | A specific idiom for walking. | He prefers to travel by foot to explore the city’s nooks. |
Common Pitfalls and Clarifications
It's easy to get confused, especially with the variety of transport methods. Here are a few points to clarify common queries:
- Elevators: While you are enclosed, elevators are typically considered small spaces, so we often say "stuck in an elevator."
- Hot Air Balloons: These are enclosed baskets, so "in a hot air balloon" is correct.
- Subways: Although they are trains, the term "subway" often refers to the system or the experience of being underground. "On the subway" is common, referring to being on the train itself. "In the subway system" could also be used.
- Commuting: When discussing your regular travel, "I commute by car" or "I commute by train" is standard.
Frequently Asked Questions
Q1: Can I say "I am on the car"?
Generally, no, unless you are literally sitting on the roof of the car. For passengers inside, it's "in the car." Drivers are also usually described as being "in the car."
Q2: What about "I am on the bus" vs "I am in the bus"?
"On the bus" is the standard and correct phrasing because buses are large vehicles where you can stand and move around. "In the bus" would sound unusual to a native speaker in this context.
Q3: When do I use 'by' for travel?
Use 'by' when you are stating the method of travel, like "I travel by train" or "She arrived by taxi." It's about the means, not your position inside it.
Q4: Is it "on a bike" or "in a bike"?
It's always "on a bike" or "on a bicycle" because you sit on top of it. You wouldn't say "in a bike." Similarly, it's "on a motorcycle."
Q5: What if I'm walking?
When walking is your method of transport, the correct phrase is "by foot." For example, "We travelled by foot to explore the old town."
Conclusion
Understanding the subtle differences between 'in', 'on', and 'by' when talking about transportation is a crucial step in mastering English. Remember the core principles: 'in' for enclosed spaces, 'on' for larger vehicles or being on top of something, and 'by' for the method of travel. With practice, these prepositions will become second nature, allowing you to describe your journeys with confidence and accuracy. Keep exploring, keep learning, and happy travels – whether they are in a car, on a train, or by foot!
Further Exploration:
To enhance your prepositional skills further, consider exploring related topics such as prepositional phrases of time and common prepositional phrases for location.
If you want to read more articles similar to Mastering Travel: In, On, or By?, you can visit the Taxis category.
