(
课件网) Unit 3 现在完成时被动语态 1 It's convenient to keep in touch with friends through the Internet. 2 I'd like to introduce two apps that neither of you are familiar with. 3 Since she had nobody to keep her company,she began to chat online (started chatting online) to kill time. 4 Never make fun of others when they are crying, because you may never fully understand what tough times they have gone through. 5 Keep in mind that you must keep your personal information private. 6 After three months' exercise, he got in better shape. For example; However; Rather; To begin with;Then; As long as; although ; such as 现在完成时与现在完成时被动语态的动词形式 找出下面句子的谓语结构，哪些是主动？哪些是被动？ Jan’s life has been greatly improved by the Internet. The Internet has greatly improved Jan’s life. People have written much about the wonders of the World Wide Web. Much has been written about the wonders of the World Wide Web. 被动 主动 主动 被动 现在完成时谓语结构 主动 被动 have/has done have/has been done ......已经被...... 过去完成时 主动： 被动： 1)过去的过去。常与过去完成时连用的时间状语有by/before+一般过去时 By the time Jack returned from home from England, his son had graduated from college. 2) 固定句型: It/This was the first/second/third... time that sb. had done sth..到过去某一时间某人第几次做某事 It was the first time that he had left his native land. had done had been done 练习 1. The young man, when questioned why he _____(break) the law, just looked at the policeman and said nothing.2. No sooner _____ Mo Yan _____ (step) on the stage than the audience broke into thunderous applause.3. —Did you have difficulty finding Ann's house —Not really. She _____ (give) us clear directions and we were able to find it easily.4. It is the first time he _____ (visit) this city.5. I _____ (intend) to call you, but was prevented from something unexpected. 练习 6. Hardly had he begun to speak when the audience _____ (interrupt) him7. Though I _____ (explain) the text three times, the boy still couldn’t understand it.8. I am so upset that the house we _____ (live) in for so many years was consumed by the fire.9. The coffee is wonderful! It doesn’t taste like anything I _____ (have) before.10. I jumped with joy the moment I _____ (receive) my driver’s license. 练习 【答案】1. had broken; 2. had stepped; 3. had given; 4. has visited; 5. had intended; 6. interrupted; 7. had explained; 8. had lived; 9. have had; 10. received 表示 发生的或 的动作对 造成的 。 现在完成时概念： 过去 已完成 现在 影响或结果 e.g. 1. Goodbye to you my trusted friend. 别了朋友，我的挚友。 2. I have just finished the homework. 作业现在已经做完了。 常用的时间状语有： ◆常与不确定的时间状语连用，如: up to now, by now, lately, already, since, ever since, just, yet, before, recently, so far, in the past/last few years等,表示“到目前为止”所发生的动作. 现在完成时谓语动词的构成 have/has+ done 1.have &has 当主语是 ___，用has; 当 ... ...
