Unit1-4期中复习 2023-2024学年牛津译林版八年级英语下册

8B期中复习之语法考点 八年级下学期U1-U4的重点语法分别是： U1: 现在完成时 U2: 现在完成时（have/has been 和have/has gone; since 和for） U3: 现在完成时 (与一般过去时区别) U4: 特殊疑问词+to do; must 和have to的区别 一、现在完成时： 【知识点过关】 现在完成时的基本用法 1.表示一个过去发生的动作对现在________________________。 2.表示一个过去的动作___________到现在。 3.表示一个动作从过去到现在为止发生的____________。 产生的影响；延续；次数 与现在完成时连用的时间状语 影响类：___________（用于肯定句）、yet（用于___________和___________句）、___________（刚刚）、___________=___________=___________（到现在为止）、recently 、before 延续类：___________（加时间点）、___________（加时间段）、in the past/last few years 次数类：___________、___________、ever、___________、xxx times already；否定；疑问；just；so far=up to now=till now; since;for; once;twice;never have/ has been to, have/ has gone to, have/ has been in的区别 1. have/ has been to：___________，强调以往的经历。 2. have/ has gone to：___________，强调还没有回来。 3. have/ has been in：______________________。 曾经去过；去了某地；待在某地一段时间 延续性动词和非延续性动词的用法 非延续性动词 延续性动词 buy have borrow keep open be open close be closed begin/start be on come be here go be there finish/end be over die be dead join be in/ be a member of leave be away from arrive/reach be here get married be married get up be up fall asleep be asleep fall in live be in love 现在完成时与一段时间连用时应注意句中的谓语动词必须是延续性动词，非延续性动词不能和一段时间连用。 【例题精讲】 1）辨析时态和标志词 ---_________ you ________ the book ________ to the library yet? ---Yes,I have. 【A】Have;returned;/ 【B】Have;returned;back 【C】Did;return;/ 【D】Did;return;back ---Hi,Jim! I ______ you for a long time. ---I _________ in Shanghai.I have just come back. 【A】didn’t see;am 【B】haven’t seen;was 【C】didn’t see;will be 【D】haven’t seen;have seen Becky has ________ fed the dog, but she hasn’t watered the plants _________. 【A】never; already 【B】already; yet 【C】yet; before 【D】yet; already  ---Has your sister finished watching the new film_____? -----Yes，she has finished it_________. 【A】yet, yet   【B】already, already  【C】already, yet 【D】yet, already I became a student ten years ________. I have been a student ________ 1996. I have studied her