Tham khảo tài liệu 'longman fast track to cae coursebook_7', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | he natural world 6 Having introduced central heating our homes now provide a good breeding ground for exotic insects. Combine these pairs of sentences into one using a present or perfect participle. 1 Jack parked his car in the lay-by. He set off across the fields. 2 He had walked that path many times before. He didn t need to consult the map. 3 He reached his destination. He unpacked his bag. 4 He settled himself comfortably. He scanned the horizon for sight of his prey. 5 By late afternoon he decided to go back. He had waited for six hours without success. 6 He heard a sudden noise. He spun round and saw a magnificent stag close by. 7 He had packed his equipment away. He was unable to shoot. Spelling reminder Look at these sets of words. What spelling changes are necessary when we add -ingl A sit - sitting hop - hopping drop - dropping B make - making take - taking shake - shaking c sleep - sleeping study - studying talk -talking see - seeing D open - opening iron - ironing happen -happening E forget - forgetting begin - beginning occur - occurring Notes page 213 Past participle clauses Notes page 211 - Identify the present perfect and past participle clauses in these examples. a. Rescue workers have found three young climbers missing since last night. b. Trapped by high winds on a ledge the youngsters had clung to the side of the mountain too terrified to move until found by the rescue team. c. Exhausted by their ordeal and suffering from exposure they have been taken to hospital. d. Their job finished the rescuers are enjoying a well-deserved pint in the pub Using participle clauses enables you to express yourself very economically. Without participle clauses we would have to use more words or write shorter sentences for example Rescue workers have found three young climbers who have been missing since last night. The youngsters were trapped by high winds on a ledge. They were too terrified to move so they had clung . until they were found . How would you .
