八年级英语牛津版8B Unit 2 完美备课资源包（24份打包）

现在完成时的用法详解 现在完成时：表示过去某一时间发生的动作对现在造成的影响和产生的后果，还有可能一直延续下去。结构为：has/have+过去分词 基本用法： 1、 开始于过去的动作一支烟学到现在，对现在有影响。现在完成时跨越两个时间，一是过去，一是现在。 1. Have you wait long ?你等很久了吗(现在还在等着) 2. She has invited my whole family to supper on Sunday.她已邀请我们全家周日去吃晚饭（结果：周日有安排了） 3. She has won prizes for her records and a prize for one of her films.她的唱片曾多次获奖，她的一部电影也曾获奖（结果：奖品在她手里） 2、 现在完成时表示最近发生的动作时，可以与just,recently,already,yet,still,at last终于,finally,almost等副词连用。 1. What good books have you read recently?你最近阅读了什么好书 2. The stone works have already repaired both the tower.石匠已经修复了两座石塔。 3. Not enough building materials for this project have been collected.为这项工程采集的材料还不够。 4. Has it stopping rraining yet?雨停了吗 5. I still haven’t passed my driving test.我还未通过驾驶考试。 6. At last he has done it.他终于把它做完了。 7. The exact amount has not been finally decided.确切的数目还没有最终确定。 8. The plan hasn’t been finally approved.计划最终还未获得批准。 9. Don’t go without us!We have almost finished the experiment.别被我们留下，我们的实验快做完了。 3、 现在完成时表持续时，虽不能和表示具体的过去时间状语如：justnow,a minute ago,yesterday,last year等连用，但是可以和表示“直到现在”的状语连用，如：before,before now, up till now, up to now, so far, previously, ever, never等连用 1. You have told me all that before.你以前已经把那件事全部告诉我了。 2. I haven’t been here before now.我以前没来过这。 3. Howerver,humans have so far not been wise enough to make correct decisions.然而，迄今为止，人类还不够聪慧到能做出准确无误的决定。 4. I haven’t seen him previously.我以前没见过他。 5. Has she ever talked to you about such matters?她曾经对你说过这些事吗？ 6. I have never broken my word.我从不失言。 7. I have heard nothing from him up to now.迄今为止，我还没听到他的消息。 4、 现在完成时表持续时也可以和表示过去一个时间段的时间状语连用，如：in the last… , in the past… , during the last,,, , through centuries几世纪以来，throughout history自古以来，等 1. In the last two years he has sold millions of records.在过去两年他已经售出了几百万张唱片。 2. What has changed in the last /past few months?在过去几个月里这里发生了什么变化？ 3. Throughout history man has had to accept the fact that all living things must die,for the very nature of life includes death .自古以来，人类必须接受这样的事实：一切生命体最终都会消失，因为生命的本质包含了死亡。 4. Throug