高中英语教学资料（缙云中学）汇编-M2U3 Grammar.pptVIP

His plan proved (to be) practical. The food tastes delicious. The flowers smell sweet. The meeting began at 9 o’clock. The shop closes at 6:00 pm every day. School usually finishes at 5:00 pm. This coat dries easily. Nylon washes easily. The door won’t open. The book sells well. This kind of pen writes well. The car is under repair. His father is under treatment. The news is beyond belief. Discovering useful structures Over time I have been changed a lot. First as a PC and then as a laptop. I have been used in offices and homes since the 1970s. Over time my memory has developed so much that, like an elephant, I never forget anything I have been told! I have also been put into robots and used to make mobile phones as well as help with medical operations. I have even been put into space rockets and sent to explore the Moon and Mars. Discovering useful structures (page21) A new PC has been bought. My computer has been repaired quickly. My computer has been attacked. The problem has not been solved yet. The company’s computers have been given away to a local school. A kind of intelligent robot has been developed. 现在完成时的被动语态表示动作发生在过去, 到现在已经完成或对现在仍有影响, 其构成是: have/has been + done。 1.The dirty clothes have been washed. 2.The plan has been studied by the experts for three times. happen, take place, break out, belong to, cost, last等不及物动词或词组无被动语态。 [误] Great changes have been taken place in China since 1978. [正] Great changes have taken place in China since 1978. 并不是所有动词都有被动语态 注意 瞬间动词 / 非延续性动词 / 终止性动词用于现在完成时态时，不能跟表示段的时间状语连用。 He has already arrived here.He has just arrived here. He has arrived here for three hours.He has arrived here since two o’clock. 错 错 He has been here for three hours.He arrived here three hours ago. 1. 脏衣服都已经洗了。 The dirty clothes_______________ . 2.这项计划已经由专家研究过三次了。 The plan __________________ by the experts for three times. 3. 这些年来, 这个小孩一直由王奶奶照料。 The child ______________