formal 10K+

By whom

🇬🇧 UK //baɪ huːm// 🇺🇸 US //baɪ hum//

Meaning of By whom

A phrase used to ask who performed an action.

In simple words: Who did something

By whom in a sentence

• The painting was created by whom?
• By whom was this report written?
• I wonder by whom this decision was made.
• By whom is the event managed?

How to use By whom

Use in formal contexts, such as writing or speeches. It's less common in casual conversation.

Grammar pattern

standalone phrase

Memory hint

Remember 'by whom' is like asking about the doer of an action, as in 'by who is it done.'

Related words

Collocations with By whom

• by whom it was created
• by whom is the decision made
• by whom should I ask

Synonyms for By whom

• who
• by who
• by which person

Common mistakes with By whom

• Incorrectly using 'who' instead of 'whom' in formal contexts.
• Forgetting to use 'by' when forming the question.

Frequently asked questions about By whom

What does By whom mean?

Who did something

What is the definition of By whom?

A phrase used to ask who performed an action.

How do you use By whom in a sentence?

The painting was created by whom?

Can you give another example of By whom?

By whom was this report written?

What are synonyms for By whom?

Common alternatives include who, by who, by which person.

What words go with By whom?

It commonly pairs with by whom it was created, by whom is the decision made, by whom should I ask.

What are common mistakes when using By whom?

Incorrectly using 'who' instead of 'whom' in formal contexts. Forgetting to use 'by' when forming the question.

How do you pronounce By whom?

US: //baɪ hum//, UK: //baɪ huːm//. Listen to the audio above to hear native pronunciation.

Is By whom formal or informal?

"By whom" is formal, so it fits professional, business, or academic conversations.

When should I use By whom?

Use in formal contexts, such as writing or speeches. It's less common in casual conversation.