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      Three ways for co-ordination in compound sentences

      Lesson details

      Learning outcome

      You can use each of the three co-ordinating conjunctions.

      Key learning points

      1. A simple sentence is a main clause about one idea.
      2. A compound sentence is a sentence formed of two main clauses and a joining word.
      3. Co-ordinating conjunction is the term for a word that joins two main clauses to form a compound sentence.
      4. There are three co-ordinating conjunctions: "and", "but" and "or".
      5. Each co-ordinating conjunction has a different purpose.

      Keywords

      • Simple sentence - a sentence about one idea that makes complete sense

      • Main clause - a group of words that contains a verb and makes complete sense

      • Compound sentence - a sentence formed of two simple sentences and a joining word

      • Co-ordinating conjunction - a word that joins two main clauses to form a compound sentence

      • Purpose - function or job

      Common misconception

      Pupils think that "because" is a co-ordinating conjunction.

      There are three co-ordinating conjunctions that are most frequently used in English. These are "and", "but" and "or".

      Teacher tip

      Use an acronym like "BOA" to help pupils remember the three co-ordinating conjunctions taught.

      Licence

      This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      Which type of simple sentence tells someone to do something?

      statement
      Correct answer: command
      question
      exclamation

      Q2.
      Which two punctuation marks could a statement end with?

      question mark
      comma
      Correct answer: full stop
      Correct answer: exclamation mark

      Q3.
      A simple sentence is formed of one clause.

      Correct Answer: main, independent

      Q4.
      Match the word class to the definition.

      Correct Answer:common noun,a naming word that does not need capitalisation

      a naming word that does not need capitalisation

      Correct Answer:proper noun,a naming word that does need capitalisation

      a naming word that does need capitalisation

      Correct Answer:verb,a doing or being word

      a doing or being word

      Correct Answer:adjective,a word that describes a noun

      a word that describes a noun

      Q5.
      Which type of simple sentence expresses a fact or an opinion?

      Correct answer: statement
      command
      question
      exclamation

      Q6.
      Which type of simple sentence expresses strong emotion or surprise?

      statement
      command
      question
      Correct answer: exclamation

      6 Questions

      Q1.
      What is the definition of a main clause?

      a word that describes a verb
      a group of words with no verb
      a type of sentence starter
      Correct answer: a group of words that contains a verb and makes complete sense

      Q2.
      How many main clauses are in a compound sentence?

      Correct Answer: two, at least two, 2

      Q3.
      What type of conjunction joins the two main clauses in a compound sentence?

      Correct Answer: co-ordinating conjunction, co-ordinating, coordinating, coordinating conjunction

      Q4.
      Which of the following are co-ordinating conjunctions?

      Correct answer: and
      Correct answer: but
      because
      when
      Correct answer: or

      Q5.
      Match the co-ordinating conjunction to its purpose.

      Correct Answer:and,for building on

      for building on

      Correct Answer:but,for a positive and a negative

      for a positive and a negative

      Correct Answer:or,for an option or an effect

      for an option or an effect

      Q6.
      Which type of sentence is formed of at least two main clauses joined with a co-ordinating conjunction?

      simple sentence
      Correct answer: compound sentence
      complex sentence

      To help you plan your 3 English lesson on: Three ways for co-ordination in compound sentences, download all teaching resources for free and adapt to suit your pupils' needs...