FluencyCraft

of

"Of" is one of the most common words in English — and also one of the trickiest, because it does so many different jobs! It is a preposition, which means it connects a noun to other words and shows the relationship between them. Here are the most important and frequent ways it is used.

1prepositionbelonging or connection

Use 'of' to show that something belongs to, or is connected to, something else. Think of it like a link between two things — the second thing 'owns' or is closely related to the first.

everyday language · Modern, widely used

The roof of the house needs to be repaired.

She is a friend of my sister.

The pages of the book were yellow and old.

2prepositionpart of a whole

Use 'of' to show that something is a part, piece, or portion of a larger thing. Imagine cutting a cake — each slice is a piece 'of' the cake.

everyday language · Modern, widely used

Can I have a slice of bread, please?

Only half of the students passed the exam.

He drank a glass of water after his run.

3prepositiondescribing content or material

Use 'of' to describe what something is made of, or what it contains. It tells you the material or substance inside or behind something.

everyday language · Modern, widely used

The bridge is made of steel.

She gave me a bag of apples.

He wore a coat of thick wool.

4prepositionexpressing quantity or measurement

Use 'of' after numbers or quantity words to say how much of something you are talking about. It connects the amount to the thing being measured.

everyday language · Modern, widely used

There are thousands of stars in the sky.

I need a kilo of flour for this recipe.

A group of tourists was waiting outside the museum.

5prepositionfigurativeshowing a quality or characteristic

Use 'of' to describe a quality or characteristic that someone or something has. It is like saying 'this person or thing has this quality.'

everyday language · Modern, widely used · figurative

She is a woman of great courage.

That was a moment of pure happiness.

He is a man of his word — he always keeps his promises.

6prepositionindicating origin or cause

Use 'of' to show where something comes from, or what caused it. It points back to the source of something.

everyday language · Modern, widely used

She died of a rare illness.

He is originally from the city of Rome.

The smell of fresh coffee filled the room.

Content generated by AI — may contain inaccuracies