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Unit 97 · Conjunctions and clauses

and but or so because

Study

A

We use these words (conjunctions) to join two sentences. They make one longer sentence from two shorter sentences:

sentence A The car stopped. — — The driver got out. sentence B

The car stopped and the driver got out.

B

and/but/or

sentence A sentence B
We stayed at home and (we)* watched television. * It is not necessary to repeat 'we' and 'she'.
My sister is married and (she)* lives in London.
He doesn't like her, and she doesn't like him.
I bought a sandwich, but I didn't eat it.
It's a nice house, but it doesn't have a garden.
Do you want to go out, or are you too tired?

In lists, we use commas (,). We use and before the last thing:

I got home, had something to eat, sat down in an armchair and fell asleep.

Karen is at work, Sue has gone shopping and Chris is playing football.

C

so (the result of something)

sentence A sentence B
It was very hot, so I opened the window.
Joe does a lot of sport, so he's very fit.
They don't like travelling, so they haven't been to many places.
D

because (the reason for something)

sentence A sentence B
I opened the window because it was very hot.
Joe can't come to the party because he's going away.
Lisa is hungry because she didn't have breakfast.

Because is also possible at the beginning:

Because it was very hot, I opened the window.

E

In these examples there is more than one conjunction:

It was late and I was tired, so I went to bed.

I always enjoy visiting London, but I wouldn't like to live there because it's too big.

Exercises (3)

0/3 exercises checked
97.1

Write sentences. Choose from the boxes and use and/but/or.

  1. 1
    I stayed at home. / I watched TV.
    I stayed at home and watched TV. example
  2. 2
    I bought a sandwich. / I didn't eat it.
    I bought a sandwich but I didn't eat it. example
  3. 3
    I went to the window. / I looked out.
    I went to the window
  4. 4
    I wanted to phone you. / I didn't have your number.
    I wanted to phone you,
  5. 5
    I jumped into the river. / I swam to the other side.
    I jumped into the river
  6. 6
    I usually drive to work. / I went by bus this morning.
    I usually drive to work,
  7. 7
    Do you want me to come with you? / Shall I wait here?
    Do you want me to come with you,
97.2

Look at the pictures and complete the sentences. Use and/but/so/because.

  1. 1Person opening a window because it is hot
    It was very hot, example
  2. 2Tennis players stopped because it is raining
    They couldn't play tennis
  3. 3People at a closed museum
    They went to the museum,
  4. 4Man refusing food because he isn't hungry
    Ben wasn't hungry,
  5. 5Woman late because of heavy traffic
    Helen was late
  6. 6Woman waving goodbye and getting into her car
    Sue said goodbye,
97.3

Write sentences about what you did yesterday. Use and/but etc.

  1. 1
    1 (and)
    In the evening I stayed at home and studied. example
  2. 2
    2 (because)
    I went to bed very early because I was tired. example
  3. 3
    3 (but)
  4. 4
    4 (and)
  5. 5
    5 (so)
  6. 6
    6 (because)