现在完成时-2025-2026学年八年级英语下册语法重难点精讲（译林版）

8下译林版 【寒假专版】 D版重难点精讲 寒假专版 【语法专题】现在完成时专项突破 初中译林版八年级下册 语法精讲 语法概述：现在完成时(have/has+过去分词)=表示过去发生并持续到现在的动作或状态，或过 去动作对现在的影响，常与already,yet,ever,never,just,for,since等词连用，在句中可作谓语。 重难点讲解 重难点一：现在完成时的构成与基本用法讲解： 现在完成时由“助动词have/has+动词过去分词”构成，主语为第一、二人称或复数时用have,第 三人称单数时用has。它主要表示过去发生的动作对现在造成的影响或结果，或动作从过去开始 直持续到现在（常与for,since等时间状语连用）。 例句： ·I have finished my homework.Now I can watch TV.(过去完成作业的动作对现在造成“能看电 视”的结果) ●She has lived in Nanjing since2018.(从2018年开始住南京，持续到现在) 真题再现： l.(2024江苏南京期中，译林版)一_you the film before?-Yes,I saw it last month A.Did;see B.Have;seen C.Will;see D.Do;see 答案：B解析：根据“before'”及答句“last month”可知询问过去是否看过电影对现在的影 响，用现在完成时，结构为Have+过去分词。 2.(2023江苏苏州月考，译林版)My father in this factory for20 years.He loves his job very much A.works B.worked C.has worked D.will work 答案：C解析：“for20 years”表示从过去持续到现在的时间段，用现在完成时has worked: 8下译林版 【寒假专版】 D版重难点精讲 重难点二：already,yet,eveI,ever,just的用法区别讲解： already(已经)：常用于肯定句，可位于句中（助动词后、实义动词前）或句末。 yt(已经/还)：常用于否定句和疑问句，位于句末。 ever(曾经)：常用于疑问句，位于助动词后。 never(从未)：表示否定，位于助动词后。 just(刚刚)：表示动作刚结束，位于助动词后。 例句： ·I have already cleaned my room.(肯定句，已完成) ●Have you finished your homework yet?(疑问句，是否已完成) ●She has never been to Beijing.(否定，从未去过) 。He has just eaten breakfast.(动作刚结束) 真题再现： l.(2024江苏无锡期末，译林版)一Hlave you_been to the Great Wall?一No,I haven't been there A.ever;already B.ever;yet C.never;yet D.already,ever 答案：B解析：第一空疑问句用ever“曾经”，第二空否定句末用yet“还”，符合语境。 2.(2023江苏常州期中，译林版)We have_read this story,.so we know what happens next. A.just B.never C.ever D.yet 答案：A解析：“s0 we know.”表明动作刚完成对现在的影响，用just“刚刚”。 重难点三：for与since引导时间状语的区别讲解： for+时间段（表示动作持续多久）：for two hours,for a week since+时间点/从句（表示动作从何时开始）：since9o'clock,since he came here 注意：对for/since引导的时间状语提问用how long。 例句： ·They have studied English for three years..(持续三年) 。We have lived here since2010.（从2010年开始) 真题再现： 1.(2024江苏扬州月考，译林版)一have you kn1 own each other?-We have known each other 2 8下译林版 【寒假专版】 D版重难点精讲 -we were in primary school. A.How long;since B.How soon;for C.How often;since D.How far;for 答案：A解析：询问“多久”用how long,答句“since+从句”表示从小学开始，符合现在 完成时用法。 2.（2023江苏南通期末，译林版)My grandparents have been married_50 years.They are still very happy A.since B.for C.in D.on 答案：B 解析：“50 years'”是时间段，用for引导，since后接时间点。 重难点四：现在完成时与一般过去时的区别讲解： 现在完成时：强调过去动作对现在的影响或持续到现在，常与already,yet,since,,for等连用，不与 具体过去时间状语（如yester day,last week)连用。 般过去时：强调过去某个具体时间发生的动作或状态，与现在无关，常与yesterday,last year,.in 2020等时间状语连用。 例句： ·I have lost my key.(现在仍没找到，对现在有影响) ·I lost my key yesterday.(只说明昨天丢了，现在是否找到未知) 真题再现： 1.(2024江苏徐州期中，译林版)一When_you_to Shanghai?一Last month.I_there with my parents. A.have;gone;went B.did;go;went C.have;been;have gone D.will;go;go 答案：B解析：答句“Last month”是具体过去时间，问句和答句均用一般过去时，助动词 did后接原形go,第二空用过去式went。 2.(2023江苏镇江期末，译林版)一_youthe book?—Yes,I_Lit last week, A.Have;read;read B.Did;read;have read C.Have;read;have read D.Did;read;read 8下译林版 【寒假专版】 D版重难点精讲 答案：A解析：第一句询问是否已读完书对现在的影响，用现在完成时：第二句“last week” 强调过去时间，用一般过去时read(过去式与原形同形)。 重难点五：have/has been to,have/has gone to,have/has been in的区别讲解： have/has been to:去过某地（已返回），可与次数连用(once,twice)。 have/has gone to:去了某地（未返回，人可能在途中或已到达)。 have/has been in:待在某地（持续一段时间），常与for/since连用。 例句： 。She has been to London twice.(去过两次，已▣) ·My brother has gone to Beijing.(去北京了，未回) ·They have been in America for five years.(待在美国五年，持续中) 真题再现： 1.(2024江苏盐城月考，译林版)-Where is your mother?Sheto the supermarket.She will be back soon. A.has been B.has gone C.went D.goes 答案：B解析：“She will be back soon”表明妈妈去了超市未回，用has gone to。 2.(2023江苏淮安期末，译林版)Mr Green_Nanjing for three year's.He likes the city very much, A.has been to B.has gone to C.has been in D.went to 答案：C解析：“for three years”表示持续待在南京，用has been in,强调状态持续。 易错点综合演练 I.单项选择（直击重难点） 1.-you_the Great Wall before? -Yes,I went there with my parents last summer A.Did;visit B.Have;visited C.Will;visit D.Do;visit 8下译林版 【寒假专版】 D版重难点精讲 2.My unclein this city for over ten years.He knows every comner of it. A.lives B.lived C.has lived D.will live 3.-Has Lucy finished her report? -No,she hasn't.She is still working on it. A.already B.yet C.ever D.never 4.Weeach other since we were in primary school. A.know B.knew C.have known D.will know Ⅱ.用所给词的适当形式填空（强化句型结构） 1.He(just finish)his homework.Now he can play outside. 2.you(ever be)to Shanghai?It's a beautiful city. 3.My parents(not see)the film yet.They plan to watch it this weekend. 4.She(live)in this house since she was born. 5.They(already eat)dinner.They are watching TV now. Ⅲ.短文填空（综合运用现在完成时） 用括号内所给词的适当形式填空，使短文完整通顺。 Hello,everyone!My name is Tom.I 1.(live)in this town for 12 years.I 2.(study)in this school since I was 6 years old.My best friend,Lily,is from America.She 3.(be)in China for 3 years.She 4.-(already learn)a lot of Chinese.We often play together after school.I 5.(never be)to America, but Lily says she 6.(show)me around her hometown if I go there.I hope I can go there one day. V.连词成句（聚焦句型结构） 1.have,for,we,English,studied,three,years (. 2.you,yet,your,finished,have,homework(?) 3.never,has,she,to,been,Beijing (. J 8下译林版 【寒假专版】 D版重难点精讲 4.just,he,lunch,eaten,has(.) 5.since,how,they,known,long,each other,have(?) 参考答案 I.单项选择：1B2.C3.B4.C Ⅱ.用所给词的适当形式填空： 1.has just finished 2.Have;ever been 3.haven't seen 4.has lived 5.have already eaten Ⅲ短文填空： 1.have lived 2.have studied 3.has been 4.has already learned 5.have never been 6.will show V.连词成句： 1.We have studied English for three years. 2.Have you finished your homework yet? 3.She has never been to Beijing. 4.He has just eaten lunch. 5.How long have they known each other? 6