English Grammar in Use With Answers » Unit 140: Phrasal verbs 4 - on/off (1)

On and off for lights, machines etc.

We say:
the light is on / put the light on / leave the light on etc.
turn the light on/off or switch the light on/off
  • Shall I leave the lights on or turn them off?
  • 'Is the heating on?'   'No, I switched it off.'
  • We need some boiling water, so I'll put the kettle on.

Also put on some music / a CD etc.
  • I haven't listened to this CD yet. Shall I put it on? (= shall I play it)

On and off for events etc.

go on = happen
  • What's all that noise? What's going on? (= what's happening)

call something off = cancel it
  • The open air concert had to be called off because of the weather.

put something off, put off doing something = delay it
  • The wedding has been put off until January.
  • We can't put off making a decision. We have to decide now.

On and off for clothes etc.

put on clothes, glasses, make-up, a seat belt etc.
  • My hands were cold, so I put my gloves on.

Also put on weight = get heavier
  • I've put on two kilograms in the last month.

try on clothes (to see if they fit)
  • I tried on a jacket in the shop, but it didn't fit me very well.

take off clothes, glasses etc.
  • It was warm, so I took off my jacket.

Off = away from a person or place

be off (to a place)
  • Tomorrow I'm off to Paris / I'm off on holiday.
    (= I'm going to Paris / I'm going on holiday)

walk off / run off / drive off / ride off / go off (similar to walk away / run away etc.)
  • Diane got on her bike and rode off.
  • Mark left home at the age of 18 and went off to Canada.

set off = start a journey
  • We set off very early to avoid the traffic. (= We left early)

take off = leave the ground (for planes)
  • After a long delay the plane finally took off.

see somebody off = go with them to the airport/station to say goodbye
  • Helen was going away. We went to the station with her to see her off.

140.1 Complete the sentences using put on + the following:

  • a CD
  • the heating
  • the kettle
  • the light
  • the oven
  1. It was getting dark, so I .
  2. It was getting cold, so I __________ .
  3. I wanted to bake a cake, so I __________ .
  4. I wanted to make some tea, so I __________ .
  5. I wanted to listen to some music, so I __________ .

140.2 Complete the sentences. Each time use a verb + on or off.

  1. It was warm, so I (1) my jacket.
  2. What are all these people doing? What's (2) __________ ?
  3. The weather was too bad for the plane to (3) __________ , so the flight was delayed.
  4. I didn't want to be disturbed, so I (4) __________ my phone.
  5. Rachel got into her car and (5) __________ at high speed.
  6. Tim has (6) __________ weight since I last saw him. He used to be quite thin.
  7. A: What time are you leaving tomorrow?
    B: I'm not sure yet, but I'd like to (7) __________ as early as possible.
  8. Don't (8) __________ until tomorrow what you can do today.
  9. There was going to be a strike by bus drivers, but now they have been offered more money and the strike has been (9) __________ .
  10. Are you cold? Shall I get you a sweater to (10) __________ ?
  11. When I go away, I prefer to be alone at the station or airport. I don't like it when people come to (11) __________ me (12) __________ .

140.3 Look at the pictures and complete the sentences.


  1. Her hands were cold, so she .

  2. The plane __________ at 1 0.55.

  3. Maria __________ , but it was too big for her.

  4. The match __________ because of the weather.

  5. Mark's parents went to the airport to __________ .

  6. He took his sunglasses out of his pocket and __________ .

Answer Key
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