Grammar exercises · 12 questions

Complex sentences exercises

In short

Test yourself on complex sentences with 12 interactive questions. Every answer comes with an explanation — and if you get one wrong, the AI tutor can explain exactly why your answer didn't work.

Question 1 of 12

Which sentence is complex?

Shaky on the rule?

Guessing gets you through a quiz; understanding gets you through the exam. Read the full Complex sentences lesson A complex sentence joins one independent clause to at least one subordinate clause using a subordinator such as because, although, if, when, or which. In IELTS, 'complex' means subordinated, not complicated: accurate complex sentences are the single clearest requirement for moving from Band 6 to Band 7 in Grammatical Range and Accuracy.

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