Two kinds of clause
Today I can tell relative clauses and adverbial clauses apart by their opening word.
A Look back3 min
- 1.
Circle the verb (the doing word) in this sentence: The dog barked loudly.
Thedogbarkedloudly - 2.
Circle the group of words that makes sense on its own.
Under the tableDogs sleep at night - 3.
Circle the mark that ends a sentence which tells us something.
full stopcommaapostrophe
B Watch me, then you5 min
Ali’s class watched the sports day race. Read the sentence below and see how it is built.

“We cheered” has a verb and makes sense alone: main clause.
“because Jun ran fast” has a verb but starts with because.
Because starts an adverbial clause, so it cannot stand alone.
- 1.
The crowd cheered when the race ended. Circle the word that starts the adverbial clause.
whencrowdcheered - 2.
Ali, who trained daily, ran the final lap. Circle the word that starts the relative clause.
whoAliran
C Your turn8 min
Read each group of words. Decide what kind of clause it is.
- 1.
Circle the type of clause: because the rain stopped
main clauseadverbial clauserelative clause - 2.
Circle the type of clause: who loved to dance
main clauseadverbial clauserelative clause - 3.
Sort these clauses into the two columns. Then write which kind of clause each column holds: relative or adverbial.
which was tallwhen the bell rangwho sangwhile we waitedStarts with who/which Opens with when/while/because - 4.
Write a sentence with a main clause and a relative clause that starts with which. Underline the relative clause.
Say it out loud: Which word did you look at first, and what did it tell you?
D Spot the mistake3 min
- 1.
Circle the right type for “Because it rang”.
main clausesubordinate clause
E Think deeper4 min
Picture a school trip to the seaside.

- 1.
Write two sentences about a school trip to the seaside. In one, use an adverbial clause. In the other, use a relative clause. Mark each subordinate clause with a wavy line, then write AC or RC beside it. Check: would the marked part make sense alone?