高中英语人教版选修8 Unit 5 Meeting your ancestors Grammar 现在完成进行时 课件 （共43张PPT）

课件43张PPT。GrammarUnit 5 Meeting your ancestors现在完成进行时 ★现在完成进行时的谓语动词构成：have / has been doing。 ★现在完成进行时表示一个从过去某一时间开始一直延续到现在的动作，这个动作有可能刚刚结束，也可能还要进行下去。如： Where have you been? We have been looking for you everywhere. 你到哪里去了？我们一直在到处找你。 Tom has been digging in the garden. I have been helping him. Tom一直在花园里挖土。 我一直在帮他。★现在完成进行时有时表示一个动作的重复。如： He has been coughing a lot lately. He ought to give up smoking. 最近他一直咳嗽。他应当戒烟。 You have been saying that for five years. 这话你已经说了有5年了。★现在完成进行时常与how long, long, all this time, this week / month, all night, all the morning, recently 等状语以及since和for所引导的状语短语或从句连用。 如： How long have you been wearing glasses? 你戴眼镜有多少年头了？ Have you been waiting long? 你等了很久吗？What have you been doing all this time? 你一直都在干什么来着？ He has been writing letters all the morning. 他写了一上午信。 Recently John has been doing his work quite regularly. 近来John工作一直很有规律。He is ill. He has been lying in the bed for three weeks. 他生病了，已卧床三周了。 I haven’t been sleeping well at all since that unfortunate accident last week. 自从上周发生了那次不幸事故之后，我 一直睡得很不好。【辩一辩】现在完成时与现在完成进行时的主要区别： ★现在完成时表示动作已完成，而现在完成进行时却不一定如此。如： The ceiling was white. Now it is blue. She has painted the ceiling. 天棚原来是白色的，现在是蓝色的。她油漆了天棚。（动作已完成）Her clothes are covered with paint. She has been painting the ceiling. 她的衣服上尽是油漆。她一直在油漆天棚。（动作可能刚结束，也可能还在继续）★许多静态动词通常用于现在完成时而不用于现在完成进行时。如： I have known him for years. 我已经认识他好几年了。 The strike has lasted six months. 这次罢工已持续了六个月。高考链接1. — I’m sorry, but I don’t quite follow you. Did you say you wanted to return on September 20? — Sorry, I _____ myself clear. We want to return on October 20. A. hadn’t made?????B. wouldn’t make????????? C. don’t make??????????? D. haven’t made【解析】D。对方没听清楚说话者说的话，是由于说话者没有说清楚所导致的结果，所以空格处应填现在完成时，即用现在完成时表示某个动作所造成的影响或结果。2. When you are home, give a call to let me know you _____ safely. A. are arriving?????? B. have arrived????????????? C. had arrived?????????D. will arrive 【解析】B。根据句子本身已有的时态可知，过去完成时had arrived不能选；再根据常识，说话人应该是叫对方“已经”到家后才打电话报平安，故选现在完成时。3. Up to now, the program _____ thousands of children who would otherwise have died. A. would save??????B. saves?????????????????????? C. had saved????????D. has saved【解析】D。短语up to now的意思是“到现在为止”，指从过去某时开始持续到现在的一段时间，通常与现在完成时连用。如：Her life has run smoothly up to now. 她的生活到目前仍一帆风顺。Up to now, the work has been easy. 到现在为止这工作还算容易。4. For many years, peop ... ...