Module code: 639

Understanding the Difference: With vs Of vs By vs From vs To

📖 Reading time: 8 minutes | Level: A2-B2

Why This Matters

These five small words are among the most frequently used in English, yet they cause confusion even for advanced learners. Mixing them up can completely change your meaning: saying 'the report was written with my colleague' suggests collaboration, while 'written by my colleague' means they did it alone. In professional emails, academic writing, and everyday conversation, using the wrong preposition can make you sound unclear or unprofessional. The challenge is that these words often translate to the same word in other languages, and their usage depends heavily on context and fixed expressions.

⚠️ Common Mistakes:

Using 'with' instead of 'by' to show who did something (agency)
Confusing 'of' and 'from' when talking about origin or source
Mixing up 'to' and 'from' for direction and source
Using 'by' instead of 'with' for instruments and tools

🎯 By the end, you'll be able to choose the correct preposition based on whether you're showing agency, instrument, origin, direction, or possession.

Practice: Choose the Correct Expression

Read each sentence carefully and select the most appropriate word to complete it. Pay attention to context clues about agency, instrument, origin, and direction.

Question 1academic writing

The thesis was written _____ my professor, not by me.

Question 2casual conversation

I always cut vegetables _____ a sharp knife.

Question 3casual conversation

Maria comes _____ Brazil and speaks Portuguese fluently.

Question 4academic writing

The capital _____ Germany is Berlin.

Question 5casual conversation

This laptop belongs _____ me, not to my brother.

Question 6business email

The project was completed _____ the entire team working overtime.

Question 7formal discussion

I completely agree _____ your analysis of the situation.

Question 8business email

I received an important email _____ my supervisor this morning.

Question 9travel context

The train departs _____ platform 9 at exactly 3:00 PM.

Question 10business email

Please send all documents _____ the client before Friday.

Question 11academic writing

This masterpiece was painted _____ Van Gogh in 1889.

Question 12casual conversation

She filled the bottle _____ fresh water from the spring.

Question 13business context

The package was delivered _____ a courier service yesterday.

Question 14travel context

I traveled _____ London to Paris by train last week.

Question 15business writing

The quality _____ this product is excellent for the price.

Question 16business email

We need to respond _____ the customer's complaint immediately.

📝 Connected Practice Passages

Passage 1

Dear Mr. Johnson, I am writing to inform you that the quarterly report was prepared our consulting team and will be delivered you by Friday. We believe this comprehensive analysis will help you achieving your strategic business goals for next year.

🔑 Key Learning: Notice how the same passage requires different prepositions: 'by' for agency (who did it), 'to' for recipient (who receives it), and 'with' for the fixed collocation 'help with'.

Passage 2

A: Where did you buy this beautiful dress? B: I bought it a small boutique near the station. A: Really? I need to go there. Can you come me tomorrow? B: Sure! The owner imports everything directly Italy, so the quality is amazing.

🔑 Key Learning: In conversation, prepositions show different relationships: 'from' for source (where you buy/import), 'with' for accompaniment (going together), and direction vs. origin require opposite prepositions.

Passage 3

The Industrial Revolution, which originated in Britain the late 18th century, transformed society in unprecedented ways. Major innovations were introduced engineers and inventors who worked steam power and mechanical tools. This period marked a significant shift traditional agricultural practices to industrial manufacturing.

🔑 Key Learning: Academic writing requires precise preposition use: 'by' for who did something (agency), 'with' for tools/instruments used, and 'from…to' for showing change or transition.

Passage 4

Our analysis indicates that customer satisfaction has increased 15% compared last quarter. This improvement was achieved implementing new training programs and was supported management at all levels throughout the organization.

🔑 Key Learning: Business writing has specific patterns: 'increase by' for amounts, 'compared with' for comparisons, 'achieved by' for methods, and 'supported by' for who provided support.

📚 Deep Dives

Deep Dive: With

Core meaning: Indicates accompaniment, association, instrument, manner, or possession – shows things that go together or are used together

📖 Grammar

⚡ Important: Never use 'with' to show who did an action – that's 'by'. 'With' is for instruments, not agents.

🔗 Common Collocations

agree withhelp withfill withdeal withwork with (tools/people)come withalong withtogether with

Register: Neutral – used in all contexts from casual to formal

💡 Tip: Think 'with' = together or using something as a tool

⚠️ Confusion Alert: Don't confuse with 'by' for agency. Compare: 'written by John' (John did it) vs. 'written with a pen' (pen is the tool)

Deep Dive: Of

Core meaning: Shows possession, belonging, relationship, composition, or part-whole connections between things

📖 Grammar

⚡ Important: Use 'of' for relationships and belonging, but 'from' for geographic origin (she's from Italy, not of Italy)

🔗 Common Collocations

kind ofsort oftype ofbecause ofinstead ofin terms ofplenty offull ofmade of (material)

Register: Neutral – extremely common in all contexts

💡 Tip: Think 'of' = belonging to or part of something

⚠️ Confusion Alert: Don't use 'of' for geographic origin – that's 'from'. Say 'from Italy', not 'of Italy'

Deep Dive: By

Core meaning: Shows who or what performed an action (agency), how something is done (means), proximity, or deadlines

📖 Grammar

⚡ Important: In passive sentences, use 'by' for the person who did it, but 'with' for the tool they used

🔗 Common Collocations

by chanceby accidentby heartby the waystep by stepday by dayby farincrease/decrease bywritten/made/created by

Register: Neutral – used in all contexts, especially common in formal/academic writing for passive voice

💡 Tip: Think 'by' = who did it or how it was done

⚠️ Confusion Alert: Compare: 'painted by Picasso' (he did it) vs. 'painted with oils' (the material used). Don't mix agency and instrument!

Deep Dive: From

Core meaning: Shows source, origin, starting point, separation, or where something comes from

📖 Grammar

⚡ Important: Use 'from' for geographic origin (from Italy), not 'of'. Also use 'from' for receiving things, not 'to'

🔗 Common Collocations

from now onfrom time to timeapart fromaway fromfar fromfrom scratchsuffer frombenefit fromcome/be fromreceive from

Register: Neutral – used in all contexts

💡 Tip: Think 'from' = where it starts or comes from

⚠️ Confusion Alert: Don't confuse with 'of' for origin. Say 'from Italy' (geographic), but 'the capital of Italy' (relationship)

Deep Dive: To

Core meaning: Shows direction, destination, recipient, purpose, or the endpoint of movement or action

📖 Grammar

⚡ Important: Use 'to' for recipient/destination, but 'from' for source/origin. They're opposites!

🔗 Common Collocations

according todue tolisten tospeak tobelong torespond tolead tocontribute tofrom…to (ranges)to and fro

Register: Neutral – extremely common in all contexts

💡 Tip: Think 'to' = toward, direction, or who receives

⚠️ Confusion Alert: Don't confuse with 'from' – they're opposites! 'From London to Paris' (starting point to endpoint)

🎯 Using Them Together

These five prepositions often appear in the same sentence, each with a different job. Here's how to decide which one to use:

Decision Flowchart

❓ Are you showing WHO did an action?

✅ If yes: Use BY (the agent)

↓ If no: Continue

❓ Are you showing WHAT TOOL was used?

✅ If yes: Use WITH (the instrument)

↓ If no: Continue

❓ Are you showing WHERE something comes FROM?

✅ If yes: Use FROM (the source/origin)

↓ If no: Continue

❓ Are you showing WHERE something goes TO?

✅ If yes: Use TO (the destination/recipient)

↓ If no: Continue

❓ Are you showing BELONGING or RELATIONSHIP?

✅ If yes: Use OF (possession/connection)

↓ If no: Check for fixed collocations

Example Using All Terms:

Yesterday, I received a package FROM my sister in Italy. It was sent TO me BY express mail and arrived BY 10 AM. Inside was a beautiful scarf made OF silk WITH an intricate pattern. She made it WITH her own hands! The quality OF her work is amazing. I immediately sent a thank-you message TO her, telling her I'd treasure this gift FROM her forever.

Why Each Term Works:

FROM my sister = source/sender
TO me = recipient
BY express mail = means/method
BY 10 AM = deadline/time
OF silk = composition/material
WITH a pattern = having/possession
WITH her hands = instrument/tool
OF her work = possession/belonging
TO her = recipient
FROM her = source/giver

Quick Reference Card

with

Instrument, accompaniment, having

✓ cut WITH a knife | go WITH friends | man WITH a hat

✗ Showing who did something (that's BY)

Belonging, relationship, composition

✓ capital OF France | cup OF coffee | one OF my friends

✗ Geographic origin (that's FROM)

Agency (who did it), means, deadline

✓ written BY author | travel BY bus | finish BY Friday

✗ Showing tools used (that's WITH)

from

Source, origin, starting point

✓ FROM Italy | letter FROM friend | FROM 9 TO 5

✗ Showing destination (that's TO – opposite!)

Direction, destination, recipient

✓ go TO school | send TO client | belong TO me

✗ Showing source (that's FROM – opposite!)

💡 Final Tip: Key contrasts: BY (who did it) vs. WITH (what tool) | FROM (source) vs. TO (destination) | OF (belonging) vs. FROM (geographic origin). When in doubt, ask: who/what/where from/where to?

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