What Does โTurn on sthโ Mean?
โTurn on sthโ means to activate or switch on a device or machine. It can also mean to excite or interest someone emotionally or physically.
Introduction
The phrasal verb โTurn on sthโ is widely used in everyday English. It generally means to start or activate something, such as a light, computer, or machine. The phrase can also describe causing someone to become interested or excited. Understanding the โTurn on sth meaningโ helps learners use it correctly in different contexts. This verb is practical and appears often in daily conversations, making it essential for English learners.
Quick Info Box
- Phrasal verb: Turn on something
- Type: Transitive
- Level: A2
- Short meaning: To activate or switch on something
Structure (Grammar Rules)
โTurn on sthโ is a separable phrasal verb. You can place the object either between โturnโ and โonโ or after the phrase.
- Turn + object + on (e.g., Turn the light on.)
- Turn on + object (e.g., Turn on the light.)
Both forms are correct and commonly used.
How to Use Turn on sth?
Use โTurn on sthโ when you want to say that you start or activate a device or system. It applies to electronics, machines, or any equipment with a switch. Additionally, it can be used metaphorically to describe causing someone to feel interest or excitement.
For example, when you press a button to start a computer, you โturn on the computer.โ When a movie excites someone, you might say it โturns them on.โ
Examples
Here are some examples to help you understand how to use โTurn on sthโ in a sentence:
- Can you turn on the TV? I want to watch the news.
- Please turn on the air conditioner; itโs very hot today.
- She turned on the radio to listen to her favorite song.
- The new book really turned him on to science fiction.
- Turn on the lights when you enter the room.
Common Mistakes
Sometimes learners confuse the word order or use the wrong preposition.
- Incorrect: Turn the on light.
- Correct: Turn the light on.
- Incorrect: Turn on to the TV.
- Correct: Turn on the TV.
Remember, the object should come either right after โturnโ or after โturn on.โ
Differences / Synonyms
โTurn on sthโ is similar to โswitch on sthโ and โpower on sth.โ
- Turn on: Common and informal; used for many devices.
- Switch on: Slightly more formal; often used with lights and switches.
- Power on: More technical; often used with computers and electronics.
All mean to activate something, but usage depends on context and formality.
Common Collocations
Here are common objects you can use with โTurn on sthโ:
- Turn on the light: Activate a lamp or light source.
- Turn on the TV: Start the television.
- Turn on the computer: Power up a computer.
- Turn on the engine: Start a vehicleโs engine.
- Turn on the heater: Activate a heating device.
Related Phrasal Verbs
Here are related phrasal verbs of turn on sth:
Real-life Dialogue
Here is a short conversation using โTurn on sthโ:
Anna: Itโs dark in here. Can you turn on the light?
Ben: Sure! Iโll turn it on right now.
Anna: Thanks! Also, could you turn on the heater? Itโs chilly.
Ben: No problem, turning it on.
Practice
Choose the correct sentence:
- A) Please turn the on fan.
- B) Please turn on the fan.
- C) Please turn on to the fan.
Answer: B) Please turn on the fan.
FAQ
- Q: Can โturn onโ be used without an object?
A: Yes, but usually the object is understood, like โTurn on!โ meaning โTurn on the device.โ - Q: Is โturn on sthโ formal or informal?
A: It is mostly informal but acceptable in everyday conversation. - Q: Can โturn onโ mean to excite someone?
A: Yes, it can mean to cause excitement or interest, often in emotional or physical contexts. - Q: What is the difference between โturn onโ and โswitch onโ?
A: They mean the same, but โswitch onโ is slightly more formal. - Q: How do I use โturn on sthโ in the past tense?
A: Use โturned onโ (e.g., She turned on the TV).

