To, For, In, On and At: Everyday Prepositions

Day 12 speaking goal: Explain a destination, a purpose and a familiar time or place.

Say where you go, who something is for and when an activity happens. Start with these common patterns.

Jump to: Rules · Compare · Examples · Self-checks · Answers

12.1 To: where or to whom?

Learn	Simple English
Rule	Use to for a destination or for the person receiving something.
Pattern	Go to + place. Give/send something to + person.
Example	Walk to the station. Send the photo to her.
Why	To the station shows where to go. To her shows who receives the photo.

12.2 For: who benefits or how long?

Learn	Simple English
Rule	For can show who benefits, what something is used for or how long something lasts.
Pattern	For my friend. For books. For two hours.
Example	This bag is for books. I bought it for my friend.
Why	Say “I came to study”: to + verb. Say “This bag is for books”: for + noun.

12.3 In and on: time and place

Learn	Simple English
Rule	In often goes with containers, months and years. On often goes with surfaces, days and dates.
Pattern	In July. In 2026. On Monday. On the table.
Example	My keys are in my bag. My bag is on the table.
Why	Some phrases need practice: on the bus means inside as a passenger, not on its roof.

12.4 At: a time or meeting place

Learn	Simple English
Rule	Use at with clock times and many activity locations. In can describe being inside a place.
Pattern	At six. At work. At the station.
Example	Meet me at the café at six. I am sitting in the café.
Why	At the café tells you the meeting place. In the café stresses that I am inside.

12.5 Compare the patterns side by side

Relationship	Phrase	In a message
Destination	to the station	Walk to the station.
Benefit / purpose	for my friend	This ticket is for my friend.
Area / period	in the room / July	We meet in July.
Surface / day	on the table / Monday	The ticket is on the table.
Point / clock time	at the station / six	Meet me at six.

12.6 Everyday examples: notice the meaning

We walked to the station.

💡 To marks the destination.

I sent the address to her.

💡 Her is the recipient.

This seat is for you.

💡 The seat is intended for you.

I waited for two hours.

💡 For measures duration.

This box is for books.

💡 For describes intended use.

I came to buy a ticket.

💡 To + verb expresses purpose.

The map is in my bag.

💡 The map is inside the bag.

We live in a small town.

💡 In identifies an area.

The course starts in July.

💡 In with a month.

The note is on the table.

💡 On describes surface contact.

We meet on Monday.

💡 On with a day.

Her birthday is on 15 October.

💡 On with a date.

Meet me at six.

💡 At with a clock time.

We are at the station.

💡 At identifies a meeting location.

I work at the library.

💡 At presents an activity location.

She is in the library.

💡 In emphasizes being inside.

We travelled on the bus.

💡 A conventional transport phrase.

I will see you next Monday.

💡 Next Monday normally needs no preposition.

12.7 Common mistakes and why

❌ We meet in Monday.

✅ We meet on Monday.

Days normally use on.

❌ I came for buy bread.

✅ I came to buy bread.

Use to before buy when you explain why you came.

❌ Meet me on six o’clock.

✅ Meet me at six o’clock.

Clock times use at.

12.8 Try it yourself

Step 1: Say where you are going using to.

Step 2: Name who a gift is for.

Step 3: Say a time with at, a day with on and a month with in.

12.9 Five self-checks

Choose A or B for each question. Read the answers below after you finish.

1. Choose the missing word: “We meet ___ Monday.”
A. in
B. on

2. Choose the missing word: “Meet me ___ six o’clock.”
A. at
B. on

3. Explain why you came. Choose the missing word: “I came ___ buy bread.”
A. for
B. to

4. You bought a gift for a friend. Complete: “This gift is ___ you.”
A. for
B. at

5. Which sentence about next Monday is natural?
A. We will meet on next Monday.
B. We will meet next Monday.

Self-check answers and explanations

1. B — on

💡 Use on with a day such as Monday.

2. A — at

💡 Use at with a clock time.

3. B — to

💡 Use to before buy to give the purpose of coming.

4. A — for

💡 For shows who the gift is intended for.

5. B — We will meet next Monday.

💡 Next Monday normally needs no on. Say We will meet next Monday.

12.10 Remember these points

To: a destination or receiver. For: a benefit, use or length of time.

In: a space, month or year. On: a surface, day or date.

At: a clock time or activity location.

Review any self-check you missed. Then say three examples aloud without looking.

Further reading: prepositions made easy · since and for

Grammar references: Cambridge: Prepositions

All 30 days · Previous: Day 11 · Next: Day 13