Present perfect continuous (Difficult) Quiz Home โบ IELTS โบ IELTS English Grammar โบ Present perfect continuous (Difficult) ๐ IELTS – English Grammar – Present perfect continuous – Difficult 20 questions ยท 15 min timer ยท Explanations included ยท Free 1. Which sentence is incorrect? I have been reading this book for a week. She has been cooking since morning. They have been lived here for a year. We have been learning English since last year. None 1 out of 14 2. Identify the error in this sentence: 'They have been waiting for you since two hours.' The use of 'since' is incorrect. The verb form 'have been waiting' is incorrect. The sentence is correct. The use of 'for' is incorrect. None 2 out of 14 Loading questions... 3 out of 14 Loading questions... 4 out of 14 Loading questions... 5 out of 14 Loading questions... 6 out of 14 Loading questions... 7 out of 14 Loading questions... 8 out of 14 Loading questions... 9 out of 14 Loading questions... 10 out of 14 Loading questions... 11 out of 14 Loading questions... 12 out of 14 Loading questions... 13 out of 14 Loading questions... 14 out of 14 Click Submit to see your final score! Previous Start Quiz Next Time's upTime is Up!