八年级英语下册 Unit 8 Have you read Treasure Island yet（第3课时）(Grammar Focus-4c)同步语法精讲精练课件 （新版）人教新目标版

Unit 8 Have you read Treasure Island yet?浙江地区第 三 课 时 (Grammar Focus4c) 单 元 同 步 语 法 精 讲 精 练 意义：表示过去发生或已经完成的动作对现在造成的影响或结果。eg：Have you had your lunch yet?你已经吃过午饭了吗？Yes， I have.Ive just had it.是的，我刚吃过。(现在我不饿了)I have already posted those photos.我已经邮寄了那些照片。(那些照片已不在我这里了) 构成肯定句：主语have/has过去分词其他否定句：主语have/hasnot过去分词其他疑问句：Have/Has主语过去分词其他？肯定回答形式：Yes，主语have/has.否定回答形式：No，主语have/has not. already， yet与现在完成时already常用于肯定句中，指动作已经发生，或比期望发生的要早，一般用在句子中间或句末。yet用于疑问句和否定句中，谈论尚未发生但可能发生的事，通常位于句末。eg：Have you finished your homework yet？你完成作业了吗？Yes， Ive already finished it.是的，我已经完成了。 一、单项选择。1Will you see the film with us tonight?No， I _ it last week.A see Bhave seen Csaw Dseen2 A nice car！Is it yours?No， it isnt.I _ it from a friend of mine two days ago.A borrow Bhave borrowedC will borrow Dborrowed3 Over fifty countries _ the AIIB so far.A joined Bwas joiningC had joined Dhave joinedC D D 4 Mike used to be a top student， but he _ behind since he lost himself in computer games.A fell Bhas fallenC was Dhas been5Is air the lightest thing in the world?Not _. Scientists from Zhejiang University have just developed the worlds lightest material.A now Byet Cthen Dagain6Dave， its dangerous to swim here.Look at the sign.Oh， I _ it.Thank you.A didnt notice Bwont notice C hadnt noticed Ddont notice DAA 7Dave， we will leave in 10 minutes.Are you ready?No， I _ our guide book and towels yet.A dont pack Bdidnt packC have packed Dhavent packed8 The 3D Titanic is a moving film.My parents have seen it twice _A yet BalreadyC never DalmostD B 二、用所给动词的适当形式填空。9 I already (have) lunch.I (have) it at 11：30.10 you (write) to your parents yet?Yes， I (write) to them last night.11 How clean the classroom is!Yes， Im sure that someone (clean) it.have had hadH ave writtenwrote has cleaned 三、句型转换。12 They have decided to go to Hainan for vacation.(改为一般疑问句) they to go to Hainan for vacation?13 Maria has finished reading that book.(改为否定句)Maria reading that book.14 Has Tom made his bed yet？(作肯定或否定回答)Yes， he . /No， he H ave decidedhasnt finishedhas hasnt