lesson
Join ideas with a reason or time
1 · Learn
A conjunction can join clauses: groups of words containing a verb. In 'We waited because the path was flooded', because introduces a reason. In 'We left when the bell rang', when tells us about time.
Choose a joining word that matches your meaning. Because and when do different jobs even if both make a grammatical sentence.
2 · Worked example
I join 'I put on a coat' and 'It was cold' as 'I put on a coat because it was cold.' I make the reason clear.
3 · Your turn
Complete with because or when: 'The class lined up ___ the bell rang.' Explain your choice. Could a different choice express a different idea?
Check your answer
When is a natural choice to show the time they lined up. Because could instead emphasise the bell as their reason or signal; explain the intended meaning.
4 · Apply your learning
Say a sentence with because and another with if before writing them. Check each clause says what you intend.
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