八年级英语下册 Unit 1 Past and Present Grammar导学案（新版）牛津版.doc

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1、Unit1Pastandpresent学习目标学会使用现在完成时。重难点理解与讲解一．现在完成时1.基本构成：have/has+done肯定句否定句I/Youhaveworked.He/Shehasworked.We/You/Theyhaveworked.I/Youhavenotworked.He/Shehasnotworked.We/You/Theyhavenotworked.一般疑问句简略答语HaveI/youworked?Hashe/she/itworked?Havewe/you/theyworked?Yes,you/Ihave.No,you/I

2、haven’t.Yes,he/she/ithas.No,he/she/ithasn’t.Yes,you/we/theyhave.No,you/we/theyhaven’t.注意：havenot=haven’thasnot=hasn’t2.用法：(1)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。Shehasleft.（她现在不在这儿）她离开了。Ihavefinishedmyhomework.我作业做完了。(现在我没事了)(2)表示过去某一时间开始并一直持续到现在的动作或状态，可以和表示一段时间的since,for引导的状语连用。TheGreens

3、havelivedinShanghaisincetheycametoChina.I’veknownherforalongtime.(3)表示到现在为止，多次动作的总和或所做过的工作量的积累。IhavebeentoGuilintwice.WehavelearnedfiveEnglishsongsthisyear.3.常与already,never,ever,just,recently(最近),yet,before等副词连用。HaveyoueverbeentoSanya?___________________________________________

4、_________Hehasneverdrivenacarbefore.__________________________________________________Ihaven’tlearnedthewordyet.____________________________________________________4.过去分词构成见P122.更多讲解请参考P133-134()Don’treturnthebooktoPeter.I_____________it.A.don’treadB.won’treadC.haven’treadD.wasn

5、’treading