2017_2018学年八年级英语下册Unit1PastandPresent第5课时课件新版牛津版.pptx

Uint 1 Past and present,(Grammar2),Leaning aims,1.能够在语境中正确使用现在完成时 2.理解并运用常与现在完成时连用的时间表达方式,Guide One (8),Please write the words ,then recite them within 2 minutes. already, ever, for, since, just, never, ever, yet ,recentl Have a match! Who can do it best?,点拨：,1、副词already和yet。already一般用于肯定句中，yet一般用于否定句和 疑问句 如：We have already finished our homework. 我们已完成作业了。 They havent finished their homework yet.他们还没有完成作业。 2、副词ever 和never。多用于否定或疑问句中，表示“曾经”或“从未“等。 如：-Have you ever been to the Great Wall? 你曾经去过长城吗？ -I have never been to the Great Wall. 我从未去过长城。 3、用表示到说话为止的过去时间状语，如 just, before, up to now, the past few years等。如： I have seen her before, but I can not remember where. 我以前见过她，但记不起在哪里见过。 He has been there twice the last few days. 近几年他去过那里两次了。 4、副词since, for. 现在完成时可以和带有since或for等表示“一段时间”的状语连用,表示动作或状态从某一时刻开始，一直持续到现在。如：I havent seen him for two years. Who can recite ? (lets Ss recite for the others),Check:,( )1. I have finished my homework _. Have you finished your homework _? A.yet, yet B. yet, already C. already, yet D. already, already ( )2. I havent seen Kate _ 4 months. A. Already B. Since C. for D. yet ( )3. He has _ seen the film Harry Potter. So he knows nothing about it. A. already B. Ever C. never D. yet ( )4. She has been ill in bed _ two days ago. A. since B. In C. during D. for ( )5. -Have you seen him _? - No, I havent. A. already B. neverC. ever D. recently ( )6. I have _ watched a wonderful film. Its really interesting. A. yet B. Just C. Just now D. never,Guide Two (9),Please look at and finish it within five minutes. Have a match! Who can do it best?,Class Exercise(-),翻译短语： already, ever, for, since, just, never, ever, yet, recently 后进生板演。后教阶段，后进生-中等