AT, ON, & IN - Important Prepositions of Time & Place

I’ve never met an English learner who doesn’t struggle with prepositions in English.
In fact, whenever I ask my readers or clients what they need help with, almost everyone says the same thing: prepositions.

So, if English prepositions are driving you crazy, just know that you’re not alone! Prepositions are difficult because sometimes there aren’t clear rules. The only way you can learn them is to practice the common forms until they come to you naturally.
In today’s post, we’re going to look at a few tendencies that will help you understand when to use ‘at’, ‘on’ and ‘in’ for time and place. So, let’s get started!

English Prepositions and Time

Generally speaking, we use ‘in’ for longer periods of time. As we move to shorter periods (days and dates), we use ‘on’. And finally we use ‘at’ for even shorter, more precise times.

AT for Precise Times

We always use ‘at’ for specific times. So we can say,

“I’ll see you at 8:00.”
“I have a break at noon.”
“Let’s meet at midnight.”

We also use ‘at’ for holidays (without the word day). For example,

“We only see him at Christmas and Easter.”

Exceptions

The exception to this would be for the word ‘night’. It’s not related to this rule, but we use ‘at’ with ‘night’. For example,

“Our cat usually stays out at night.”
“The streets get really quiet at night.”

ON for Days and Dates

We always use ‘on’ for days and dates. So we can say,

“Let’s meet on Friday.”
“She was born on the 17th of August.“

We use ‘on’ whenever we use the word ‘day’. For example,

“It snowed on my birthday.”
“We were born on the same day!”
“The mall is closed on Christmas day.”

Exceptions

The exception here would be for periods of the day such as the morning, afternoon or evening. For example,

“I’m always cranky in the morning.”
“I have a break in the afternoon.”
“We’ll see you in the evening.”

IN for Months and Years

We always use ‘in’ for months or years. So we can say,

“He was born in 1988.”
“I’m taking my vacation in June.”

We also use ‘in’ for longer periods of time, such as decades and centuries.

“The industrial revolution started in the 18th century.”

Exceptions

An exception to this rule is the word ‘weekend’. Even though weekends are longer periods of time, in the US and Canada, we use ‘on’ with ‘weekend’ (maybe because it goes by so fast, that it feels like one big day!). So we can say,

“The office is closed on the weekend.”
“She always works on weekends.”

In the UK, it seems that the weekend goes by even faster, because ‘at the weekend’ is more common!

English Prepositions and Place

Generally, we use ‘in’ for places with boundaries. We use ‘on’ for surfaces (vertical or horizontal). And finally we use ‘at’ for precise places.

AT for Precise Places

We use ‘at’ for precise places, especially when it’s a meeting point. For example,

“I’ll see you at school.”
“Let’s meet at the club tonight.”
“I ran into a few friends at the concert last night.”

We also use ‘at’ when we talk about positions at an exact point. For example,

“I’ll wait for you at the bus stop.”
“Turn right at the next corner.”

Now, a common question I get is: “What’s the difference between at the restaurant and in the restaurant?”

The answer here depends on the context. 

For example, suppose you and I were planning to meet right now. You call me to ask where I am and I say,

“I’m at the restaurant.”

Using ‘at’ here means that I could be at the entrance of the restaurant, in the parking lot of the restaurant, or actually inside the restaurant.

But if I say,

“I’m in the restaurant.”

Using ‘in’ here simply means that I’m physically inside the restaurant.

ON for Surfaces

We always use ‘on’ for surfaces. We can use ‘on’ for horizontal surfaces:

“I think you left your book on the table.”
“There is a big spider on the ceiling.”
“Don’t just leave your clothes on the floor!”

Think of buses, and trains as horizontal surfaces as well. So when we talk about transportation, we use ‘on’.

“I’m on the bus right now.”
“There are no seats left on the train.”

The exception here is the word ‘car’. We use ‘in’ when we talk about cars. That’s probably because we sit inside cars and we can’t stand inside them. So we can say:

“I’m in the car now.”
“We’re in the taxi on the way to you.”

We also use ‘on’ for vertical surfaces:

“There was a beautiful painting on the wall.”

And think of screens as vertical surfaces, so we can say:

“I think I’ve seen her on TV.”
“I like watching videos on my laptop.”

IN for Places With Boundaries

The basic idea with ‘in’ is that we use it for places that have borders or boundaries whether they’re real or imaginary.

So, for example, we always use ‘in’ for countries or cities. So we can say,

“She was born in Italy.”
“I’d like to live in Brazil one day.”

We can also say,

“Let’s go for a walk in the forest.”
“They lived in the desert for three years.”

Think of it this way: forests and deserts have a beginning point and an ending point, so they have boundaries.

We also use ‘in’ when we talk about rooms, so we can say,

“Your keys are in the kitchen.”
“Did you see my phone in the bedroom?”

I hope this was helpful! If you have any questions, let me know in the comments below. If your friends need help with prepositions, please share this with them. Thanks for reading!

Do you want to become a more fluent and natural English speaker? Try an online class with me!
2020年5月4日
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Become a more confident, fluent and natural English speaker! If you feel stuck in English, book your lessons now. I help students just like you every day! What would your life be like if English was not a limitation? ★ Would you be able to have conversations in English without getting stuck? ★ Would you be able to express your personality and be yourself in English? ★ Would you be able to understand fast English speakers? ★ Would you have more work options? ★ Would you be able to answer interview questions confidently? My lessons are perfect for you if: ★ You are worried that others won't understand your pronunciation. ★ You forget words and grammar when speaking. ★ You need to prepare for interviews and presentations. ★ You are an intermediate or advanced English learner. ★ You're thinking about living in Canada or the US, or moved there recently. ★ You are finding it difficult to understand and communicate with people in English. I've been helping English learners become mo...
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英語
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使用できる言語:
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Become a more confident, fluent and natural English speaker! If you feel stuck in English, book your lessons now. I help students just like you every day! What would your life be like if English was not a limitation? ★ Would you be able to have conversations in English without getting stuck? ★ Would you be able to express your personality and be yourself in English? ★ Would you be able to understand fast English speakers? ★ Would you have more work options? ★ Would you be able to answer interview questions confidently? My lessons are perfect for you if: ★ You are worried that others won't understand your pronunciation. ★ You forget words and grammar when speaking. ★ You need to prepare for interviews and presentations. ★ You are an intermediate or advanced English learner. ★ You're thinking about living in Canada or the US, or moved there recently. ★ You are finding it difficult to understand and communicate with people in English. I've been helping English learners become mo...
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