Conditionals: second and third (Easy) Quiz Home › IELTS › IELTS English Grammar › Conditionals: second and third (Easy) 📝 IELTS – English Grammar – Conditionals: second and third – Easy 20 questions · 15 min timer · Explanations included · Free 1. Complete the sentence: 'If they _____ (leave) earlier, they would have caught the train.' had left leaves left leave None Show Hint Option C is correct because the third conditional requires 'If + past perfect'. Option A is present simple, Option B is simple past, and Option D is present simple third person. 2. Complete the sentence: 'If I _____ (know) about the meeting, I would have attended.' knew had known know knows None Show Hint Option C is correct for the third conditional: 'If + past perfect'. Option A is past simple, Option B is present simple, and Option D is incorrect. Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Click Submit to see your final score! Previous Start Quiz Next Time's up